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2010 SCREAMIN`EAGLE®PRO RACING PARTS - Harley

1. SPORTSTER 1200 STOCK VS 1200 STAGE I KIT 130 130 120 120 lt 110 110 300 100 oO o o Oo N o o Corrected Rear Wheel Horsepower wu o Stock1200 TQ e e Stock 1200 HP B o Corrected Rear Wheel Torque lb ft Ny 30 1200 Stage TQ 30 1200 51386 HP 20 20 2 25 3 35 4 45 5 5 5 6 65 7 Engine Speed rpm x 1000 SCREAMIN EAGLE EVOLUTION 1340 EFI STAGE PERFORMANCE KIT This 50 51816 street legal kit increases torque throughout the RPM range with a 1596 increase at the peak Stage Kit includes air cleaner and breather kit and all required hard ware All models require ECM calibration priced sepa rately These kits are designed to work with stock mufflers 29387 97B 119 95 Fits 97 98 Evolution 1340 equipped EFI models only Also fits 95 96 Evolution 1340 equipped EFI models when used with ECM P N 32423 97B Does not fit Twin Cam equipped models Recalibration is required for proper installation and will allow engine to rev to 6000 RPM See dealer for details Labor cost not included CAUTION Harley Davidson EFI systems will not compensate for any component changes Do not mill heads or increase compression in any way Do not use cams other than those supplied in the kit Do not change kit components Failure to comply may result in engine damage EFI STREET LEGAL PERFORMANCE 15
2. m COMPETITION AND PERFORMANCE PARTS F R THE 7 m P f or d Fj fi ly 1 1 5 3 N f S 3 FAST IS NEVER FAST ENOUGH FOR THIS CROWD Racing has been the backbone of Harley Davidson for over 105 years bringing hard core enthusiasts together on the track in the pits and in the stands Screamin Eagle Pro Racing parts are designed to race and engineered to win fueling adrenaline igniting crowds and delivering high performance results to those who demand it Harley Davidson supports competition on both the professional and speed fiends to hit the strip Harley Davidson believes in the spirit amateur levels Whether fielding championship NHRA Pro Stock of two wheeled competition Visit www harley davidson com racing Motorcycle drag racing and AMA flat track teams or pushing AHDRA for schedules and updates on Harley Davidson racing CONTENTS 04 ANATOMY OF APERFORMANCE ENGINE 24 08 PUT IT TO THE TEST 31 10 RACING INFORMATION GUIDE 55 11 LEGAL EFI PERFORMANCE 70 16 RACE USE EFI PERFORMANCE 80 AIR CLEANERS amp CARBURETORS ENGINES amp ENGINE COMPONENTS PERFORMANCE EXHAUST ACCESSORIES amp SPECIAL TOOLS INDEX For the latest information on Screamin Eagle Pro Racing Parts see your Harley Davidson dealer or visit harley davidson com racecatalog Way HARLEY DAVIDSON RACING NHRA FULL THROTTLE PRO STOCK MOTOR
3. THROTTLE BODY P22 e Y oe PERFORMANCE CAMS P42 CORRECTED REAR WHEEL TORQUE Ib ft 150 140 130 120 110 100 90 80 70 60 50 40 30 150 140 130 120 110 100 90 80 70 60 SE 113CL CUSTOM TORQUE lb ft SE 113CL CUSTOM HORSEPOWER hp 50 40 30 2 0 2 5 3 0 3 5 4 0 4 5 5 0 ENGINE SPEED rpm x 1000 5 5 6 0 6 5 dy EO ET Oa E E OR LEE RETRE EE o0 09 RACING INFORMATION GUIDE WARRANTY amp CAUTION OVERVIEW Harley Davidson has the engineering expertise a sophisticated dyno lab and complete testing facilities to provide enthusiasts with a line of performance products designed to produce good solid reliable horsepower and torque Engine related performance parts are intended for the experienced rider only WARRANTY Installation of Screamin Eagle products and similar off road or competition products from other manufacturers except some street legal offerings installed by authorized Harley dealers may void your H D limited vehicle warranty See your dealer for more information Installation of a California performance product onto a 49 state motorcycle or a 49 state performance product onto a California model motorcycle will void Manufacturers warranty as it will not result in a street legal configuration CAUTION Harley Davidson motorcycles modified wi
4. 130 130 220 120 22 310 110 3100 100 Touring Dyna Softail wl 90 90 07 08 only 07 08 only 07 09 only N o o o Recalibration is required for proper installation and will allow engine to rev to 5500 RPM See dealer for details Labor cost not included uo Stock96CITQ 4 e e Stock 96CI HP 110CI Stage TQ 110CI Stage HP 5 o When installed by an authorized Harley Davidson Dealer at the time of vehicle delivery these kits do not impact the vehicle s limited warranty Corrected Rear Wheel Torq o o o NOTE Installation of a California performance kit onto a 49 state model motorcycle or a 49 state performance kit onto a California model motorcycle will void manufacturers warranty as it will not result in a street legal configuration N o 2 25 3 35 4 45 5 55 6 65 7 Engine Speed rpm x 1000 12 EFI STREET LEGAL PERFORMANCE A SCREAMIN EAGLE STREET LEGAL 110 CUBIC INCH STAGE I KIT FOR EFI MODELS TWIN CAM 110 CI STAGE KITS HON p F o Touring Ay hy Softail Recalibration is required for proper installation and will allow engine to rev to 6200 RPM See dealer for details Labor cost not included When installed by an authorized Harley Davidson Dealer at the time of vehicle delivery these kits do not impact the vehicle s limited warranty NOTE Installation of a
5. Japanese Italian Portuguese and Dutch and is compatible with Windows XP and Vista The Super Tuner includes an ergonomically improved Vehicle Communication Interface VCI box The new VCI allows USB connectivity to your PC and contains on board memory for a full 15 minutes of data recording tracking up to 26 data vari ables Data recording is conveniently activated with a push of a button allowing the VCI to be taken to the track to gather data during true race conditions Cable Kit P N 32184 08 is sold separately and provides all necessary connections between Motorcycle VCI and PC Laptop The Super Tuner Software is easy to use with a large icon ayout compatible with touch screen laptops the ability to work in 4 windows tables at one time and enhanced help ools to keep you on track Data and Tuning functions are combined into a single application insuring you are only 2 clicks away from any major tuning function With a click of a button the software automatically connects to the internet and updates to the most current version as well as retrieves he newest calibrations developed by professional Screamin Eagle calibrators Software contains built in model recogni ion that filters calibrations listing those that are applicable o your model State of the art graphing capabilities illustrate ables clearly highlighting areas for improvement and are ully scalable and customizable Additional features include edit
6. 1200CC STAGE I CONVERSION KIT Make your Iron 883 roar This complete conversion kit will alter the personality of your 883 equipped Sportster model Designed to bring your XL883 model up to XL1200 speci fications this kit includes Sportster Stage Air Cleaner Kit XL1200 Cylinder Heads and XL1200 Cylinders and Pistons Kit includes black highlighted cylinders and cylinder heads No case machining is required for installation Street legal when used with stock mufflers All models require ECM calibration priced separately 29784 07A Black 1 199 95 Fits 07 later XL883 models Recalibration is required for proper installation and will allow engine to rev to 7000 RPM See dealer for details SCREAMIN EAGLE SPORTSTER STAGE I AIR CLEANER KIT The XL Stage Air Cleaner Kit provides increased airflow to boost the power of your fuel injected Sportster model The complete kit features a composite air cleaner back plate air cleaner cover adapter a high flow washable synthetic media filter element that does not require oiling and a breather System that routes gasses and excess oil directly into the intake Kit also includes cover trim and all mounting hard ware Street legal when used with stock mufflers All models require ECM calibration priced separately 29782 07 Fits 07 later XL models 139 95 Recalibration is required for proper installation and will allow engine to rev to 7000 RPM See dealer for details
7. 23729 07 Cannot be installed on 110ci CVO models or any Twin Cam models previously upgraded to a 110ci motor Requires separate purchase of model specific Automatic Compression Release Wiring Harness Kit Not compatible with cruise control 27559 08B Black 3 099 95 27561 08B Silver 3 099 95 Fits 08 later Touring models Also fits Trike models Cannot be installed on 110ci CVO models or any Twin Cam models previously upgraded to a 110ci motor Requires separate purchase of model specific Automatic Compression Release Wiring Harness Kit 27525 08B Black 3 099 95 27526 08B Silver 3 099 95 NOTICE Installation of automatic or manual compression releases on large displacement engines is highly recommended Recalibration is required for proper installation and will allow engine to rev to 6200 RPM See dealer for details Labor cost not included TWIN CAM 96 STOCK VS 113CI SUPER KIT 130 130 p20 1208 10 110 z 3100 1008 z 8 5 90 905 X 9 80 80 5 Ez 6 70 70 S bes 60 T ng 60 8 Lee a 9 50 E 50 5 o 4 40 Stock 96CI TQ 40 9 5 e e Stock 96Cl HP 30 13CI Super Kit TQ 30 6 113CI Super Kit HP 20 N o 225335 445 5 55 6 65 7 Engine Speed rpm x 1000 18 EFI RACE USE PERFORMANCE A SCREAMIN EAGLE PRO RACE KIT 113 CUBIC INCHES 08 LATER TOURING SHOWN TWIN CAM 113 CI RACE KITS
8. 356 T6 alumi pport a bore size up to 4 800 inches This is not a bored stock case but a brand new JIMS crankcase with increased wall thickness for arger bore potential As anew crankcase the kit ships with a ed or in kit orm with the lower end pre assembled and all other compo or without a Super Bore 51mm Carburetor and matching intake manifold The engine is offered in black or silver powder coat color matched to Original Equipment Harley Davidson transmissions For race JIMS 120 and 131ci Twin Cam engines are available to fit uding 65 The 120 cid package pumps out 121 rear wheel octane pump gasoline The engine features JI and matching forged pistons Screamin Eagle v 120CI TWIN CAM ALPHA AND BETA ENGINES horsepower at 6200 RPM and 125 ft Ibs of torque at 3750 RPM on 91 MS cylinder heads with matching stud spacing pressed flywheels forged 4340 steel connecting rods JIMS 4 125 inch bore cylinders alve springs and JIMS Powerglide high performance tappets The rocker covers are CNC relieved to clear the race valve springs JIMS 120 Twin Cam Race Engine Specifications with SE Stage A C Peak Horsepower 121 6200 RPM Peak Torque 125 3750 RPM Displacement 2 24 2 4 2 2 120 C l BOrelx strokef ee CELERE He 4 125 x
9. 4 500 ComptressioniRatio l E 10 1 Intake Valve Diameter 2 080 Exhaust Valve Diameter se G25i Cam eme ase eret 5252292222 2727 17 635 131CI TWIN CAM ALPHA AND BETA ENGINES The 131 cid package pumps out 131 rear wheel horsepower JIMS 131CI TWIN CAM JIMS 120CI TWIN CAM at 6200 RPM and 135 ft 155 of torque at 3750 RPM on 91 octane pump gasoline The engine features high flow RACE ENGINE WITH SE HEAVY BREATHER RACE ENGINE WITH SE AIR CLEANER GNC ported heads pressed flywheels forged 4340 steel 486 connecting rods JIMS 4 312 inch bore cylinders and match 180 ing forged pistons Screamin Eagle valve springs and JIMS 140 140 140 Powerglide high performance tappets The engine also features an upgraded high flow oil pump and a JIMS billet Nu 1202 130 a cam support plate with hydraulic cam chain tensioners The 420 1209 120 120 rocker covers are CNC relieved to clear the race valve springs a o 2 6110 110 6110 110 amp 2 JIMS 131 Twin Cam Race Engine Specifications 5100 1008 100 3 with SE Stage A C 5 90 90 2 5 90 f 8 8 Peak Horsepower E o o 80 80 o 80 9 E6akilorqUe c 70 70 e 8 70 ausi As Bore x Stroke o o g 5 d g e 5 Compression Ratio 50 50 50 Intake Valve Diameter 8 40 405 S 40 Exhaust Valve Diameter 2 5 O 8 Caml Lift ee aaea RUE 30 JIMS 13161 58mm Heavy Breather TQ 30 30 JIMS 120
10. B SCREAMIN EAGLE PRO He STAGE IV KIT 103 CUBIC INCHES Here s a 103 cubic inch racing kit that puts it all together for you If your looking to build a fast track ready 103 kit and want to buy all the components you need to maximize your results here s the kit This eliminates the guess work on what components you should use and what works well together We ve put all the components together including SE performance heads that provide a great performance upgrade for a 103ci at a very attractive price Kit includes our high performance high flow Screamin Eagle Performance 110 Heads which include large intake valves at 2 120 diam eter our biggest ever high compression forged aluminum 10 5 1 pistons matched to the 110 heads an SE260 cam to open the valves appropriately allowing the right balance of air and fuel to enter Perfect Fit Pushrods to accommodate the higher cam lift a 58mm EFI throttle body to get that air flow to the heads big 3 7 8 diameter highlighted cylinders then topping off this kit off with a must have Super Tuner to provide the right tuning capabilities Kit includes gaskets For race application only 27516 08A Black 2 399 95 Fits 07 later Dyna 07 later Softail and 07 Touring models Not compatible with cruise control 27517 08A Black 2 399 95 Fits 08 later Touring models except Trike and FLHTK NOTICE Installation of automatic or manual compression releases on large disp
11. JIMS 13101 58mm Heavy Breather HP JIMS 120 20 20 20 2 2 5 3 35 4 45 5 55 6 65 7 2 2 5 3 35 4 45 5 55 6 65 7 Engine Speed rpm x 1000 Engine Speed rpm x 1000 For more details ordering Corrected torque and horsepower measured at the rear wheel on a chassis dynamometer Your results may vary d s Dealer or visit www jimsus A JIMS TWIN CAM RACE ENGINES CARBURETED 120 CUBIC INCH BLACK AND CHROME ENGINE SHOWN 131 amp 120 Cl RACE ENGI information and pricing see your a com EFI RACE USE PERFORMANCE 17 NES A SCREAMIN EAGLE PRO RACE KIT 113 CUBIC INCHES A complete kit for the racing performance enthusiast This kit has it all to get your motor to perform competitively at the track This kit includes our precision honed big bore 4 060 diameter cylinders with high compression 10 5 1 forged aluminum pistons a set of high lift SE266E cams our CNC Ported Maximum Velocity Area MVA s Heads with 2 120 diameter intake valves perfect fit pushrods and gaskets Heads are machined to accept automatic compression releases sold separately To get the air to the heads you need a big bore throttle body This kit includes our 58mm throttle body along with large fuel injectors To top off the kit we ve also included our very popular EFI Super Tuner For race application only Fits O7 later Dyna 07 later Softail and 07 Touring models Also fits O6 Dyna models when upgraded to 4 3 8 Stroker Flywheel P N
12. SPORTSTER 1340 EVO RACE USE EFI PERFORMANCE INJECT SOME MUSCLE Despite what you may be thinking Electronic Fuel Injection EFI isn t as complicated as it sounds On the race track you need to move more air and more fuel through the engine And with Screamin Eagle Pro racing parts you have a wide range of options that allow you to produce the specific kind of track performance you re looking for 16 JIMS TWIN CAM RACE ENGINES racers seeking big horsepower and displacemen by JIMS of Camarillo CA these race engines are are NOT street legal This engine kit was dev num crankcase with enough case material to su JIMS serial number and a MSO JIMS Race Engines are available fully assemb nent parts included Engines are available with Screamin Eagle 58mm EFI Throttle Body or application only 91 later Dyna Softail and Touring chassis incl models originally equipped with Evolution engin Dee The new JIMS Twin Cam Race Engines available exclusively hrough Harley Davidson dealers are a complete compo nent package designed to serve as a Solid foundation for Developed designed to it Harley Davidson models originally powered by Evolution 340 or Twin Cam 88 engines JIMS Twin Cam Race Engines eloped as a result of a license Harley Davidson granted to JIMS for use of some Harley Davidson Twin Cam intellectual property The JIMS Twin Cam Race engines are based on a
13. STAGE I KIT 130 130 120 1208 110 110 100 100 90 90 Corrected Rear Wheel Torque lb ft N o Corrected Rear Wheel Horse 40 Stock 1584 TQ 40 e e Stock 1584 HP 30 S UM 20 A SCREAMIN EAGLE BIG BORE STAGE KIT FOR EFI MODELS 103 CUBIC INCHES 20 20 2 2 5 3 35 4 A5 5 5 5 6 65 7 Engine Speed rpm x 1000 B SCREAMIN EAGLE HEAVY BREATHER AND H STREET PERFORMANCE EXHAUST KIT This street legal combination pairs two great accesso ries in one convenient package the Screamin Eagle Heavy Breather air intake system and the Screamin Eagle Blunt Revolver Street Performance mufflers Kit provides high style improved sound quality and great performance All EFl equipped models require ECM calibration priced sepa rately Mufflers are 50 state street legal on stock displace ment 08 later FXDF and 10 FXDWG models 29408 08 619 95 Fits 08 later FXDF and 10 FXDWG models Recalibration is required for proper installation See Dealer for details Labor cost not included B SCREAMIN EAGLE HEAVY BREATHER AND STREET PERFORMANCE EXHAUST KIT 14 EFI STREET LEGAL PERFORMANCE TWIN CAM 103 CI STAGE KITS C SCREAMIN EAGLE SPORTSTER 883CC TO 1200CC STAGE I CONVERSION KIT D SCREAMIN EAGLE SPORTSTER STAGE I AIR CLEANER KIT E SCREAMIN EAGLE EVOLUTION 1340 EFI STAGE I PERFORMANCE KIT C SCREAMIN EAGLE SPORTSTER 883CC TO m
14. exhaust system the Screamin Eagle Pro intake and exhaust cams tuned length short velocity stacks and a high flow air cleaner combine to produce a solid 20 horsepower boost dT at the rear wheel Kit includes cam gaskets that permit this Stage Kit to be installed without removing the engine from the frame The lower air cleaner box can be modified to improve the air flow template included All models require ECM calibration priced separately with available Super Tuner configuration For race application only 30076 09 499 95 Fits 07 VRSCX and 08 later VRSC models Installation requires modification of the lower air cleaner box for relocation of the temperature sensor Installation requires separate purchase of Valve Shims E SCREAMIN EAGLE PRO 50MM EFI THROTTLE BODY SHOWN WITH MAP SENSOR NOT INCLUDED 1250CC VRSC STOCK VS STAGE II KIT 130 130 120 1208 e S110 110 b 100 100 8 o 0o o x o Corrected Rear Wheel Horsepow uo o BR o 40 Stock VRSC TQ Stock VRSC HP 1250cc Stage II Kit TQ 1250cc Stage II Kit HP w o N o N 3 35 4 45 5 55 6 65 7 75 8 85 9 Engine Speed rpm x 1000 F SCREAMIN EAGLE PRO STAGE II KIT FOR VRSC MODELS G SCREAMIN EAGLE PRO VRXSE DESTROYER x BIG BORE THROTTLE BODY KIT This bolt on kit boasts a 58mm throttle body compared to 53mm stock thro
15. recap of this performance machine s specifications visit www harley davidson com racecatalog 2 FROM A MILD CUSTOM DYNA STREET BOB PICK A CLASS Built with an eye toward AHDRA s ET or SEP racing class rules our engineers went to work changing a simple street custom Dyna Street Bob into a serious weekend racer Trimmed of lighting mirrors and other nonessential parts this track only ride would be an easy garage project with the right tools and mechanical know how We started with 113ci Bigger Bore Cylinders MVA Cylinder Heads and 11 1 1 high compression pistons and finished with SE 266E cams a 58mm throttle body and a free flowing tuned exhaust The results 132 horsepower and 123 5 ft Ib of torque from 113 cubic inches TO A FULL OUT DRAGSTER RELIABILITY RUN AFTER RUN To spend more time on the track and less time spinning wrenches we also added everything you need to make this motor bulletproof High lift rocker arms live in forged rocker supports and are motivated by perfect fit pushrods and roller tappets The cams are held in place by a billet cam support plate and the crank rides in a premium Lefty roller bearing The top and bottom end are tied together with high tensile cylinder studs and the power is put to the ground through a billet clutch hub and race disc package BIGGER BORE CYLINDER KIT P32 MVA CYLINDER HEADS P34 RACE CLUTCH KIT P51 PISTONS P37
16. 0 rear wheel horsepower All EFl equipped models require ECM calibration sold separately For race application only 27796 08 139 95 F Fits 08 later Touring models equipped with Screamin Be Eagle 58mm Throttle Body P N 27713 08 C SCREAMIN EAGLE PRO HI FLOW INTAKE D SCREAMIN EAGLE PRO HIGH FLOW 22 EFI INTAKE PERFORMANCE PARTS MANIFOLD 58MM THROTTLE BODY INJECTOR KIT 58MM THROTTLE TWIN CAM EFI MODELS BODY 27797 07 SHOWN E SCREAMIN EAGLE PRO 50MM EFI THROTTLE BODY Higher flowing for larger displacement race engine applica tions Includes throttle body and unique intake flanges and seals This big bore throttle body features a 50mm throt tle plate a 4mm increase over the 06 Original Equipment throttle body to provide increased airflow and more power Higher flow rate injectors provide 2596 more fuel to comple ment the increased airflow Sensors injectors with a flow rate of 4 9 grams second and the IAC stepper motor are fully assembled on this bolt on unit All EFl equipped models require ECM calibration priced separately For race appli cation only 27623 05A 399 95 Fits 06 later Twin Cam EFI models except 08 later Touring equipped with accessory performance cylinder heads r F U SCREAMIN EAGLE PRO x STAGE KIT VRSC MODELS Increase your VRSC model s top end horsepower and race track performance When paired with your choice of race use
17. 5 27504 10 Silver 1 449 95 Fits 50 state 10 FXDF and FXDWG models Kit includes Heavy Breather Air Cleaner 27505 10 Black 1 675 95 Fits 49 state 09 Touring models Kit includes CVO Air Cleaner Back Plate and Catalytic Header Pipe 27501 09 Black 1 675 95 27504 09 Silver 1 675 95 Fits 49 state 09 FXDF models Kit includes Heavy Breather Air Cleaner and Catalytic Header Pipe 27505 09 Black 1 979 95 Fits 49 state 09 Softail models with Staggered Dual Mufflers Does not fit FLSTF and FLSTN models Kit includes Heavy Breather Air Cleaner and CVO Mufflers 27508 09 Black 1 979 95 27506 09 Silver 1 979 95 Fits 49 state 08 Touring models Kit includes CVO Air Cleaner Back Plate and CVO mufflers 27800 08A Black 2 459 95 27801 08A Silver 2 459 95 Fits 07 later HDI Touring models O7 later HDI Dyna models and 07 09 HDI FLSTF and 07 FXSTD Softail models Street legal on HDI configured models when installed with Original Equipment air cleaner and exhaust 4 29866 07A Black 2 295 95 Stage Heavy Breather Fits 49 state 08 FLSTF models Kit includes Air Cleaner Air Cleaner Heavy Breather Air Cleaner and CVO mufflers 27804 08 Black 2 459 95 NOTICE Installation of automatic or manual compression releases on large displacement engines is highly recommended TWIN CAM 96 STOCK VS 110CI STAGE I KIT
18. CYCLE RACING ECT X Experience the ultimate in side by side two wheeled competition This elite class of professional racing delivers a high octane high adrenaline rush like no other With blazing speeds up to 200 mph NHRA Pro Stock Motorcycle drag racing is the culmination of perfect timing raw horsepower and flawless precision To follow the Screamin Eagle9 Vance amp Hines factory team visit www harley davidson com racing AMA PRO FLAT TRACK RACING Some battles are best fought on the dirt AMA Pro Flat Track Racing blends tradition with sights sounds and action to produce the best in wheel to wheel competition Racing at speeds up to 140 mph purpose built Harley Davidson XR 750 powered motorcycles battle the competition in one of the most exciting sports on two wheels To follow the Harley Davidson factory team visit www amaproracing com AHDRA SCREAMIN EAGLE CLASS RACING Ever wondered what it would feel like to tear down the track It s time to make that dream a reality AHDRA competition provides all enthusiasts the opportunity to experience the high octane adrenaline of drag racing on their own street bike or race prepped machine Harley Davidson is the Series Sponsor the largest sponsor of all five Screamin Eagle classes including the VRXSE Destroyer class For full details visit www ahdra com 02 04 ANATOMY OF A PERFORMANCE ENGINE Power Plant Milwaukee Muscle Big Twin Mill Whatever you ca
19. California performance kit onto a 49 state model motorcycle or a 49 state performance kit onto a California model motorcycle will void manufacturers warranty as it will not result in a street legal configuration B SCREAMIN EAGLE STREET LEGAL BIG BORE STAGE II KIT FOR EFI MODELS 103 CUBIC INCHES B SCREAMIN EAGLE STREET LEGAL BIG BORE STAGE KIT FOR EFI MODELS 103 CUBIC INCHES The Stage Big Bore Kit provides the parts you need to increase the horsepower of your EFl equipped model The kit increases the displacement of your Twin Cam equipped model from 96 cubic inches 1584cc to 103 cubic inches 1690cc Includes Stage SE 255 cams Big Bore cylin ders Big Bore flat top pistons clips and a Stage Air Cleaner Kit with one piece back plate integral breathers all mount ing hardware and gaskets Also includes a high perfor mance clutch spring Separate purchase of cam spacers is required See manual for proper procedure and cam spacer part numbers Requires separate purchase of primary cover gasket Not all components shown 49 state kits include catalyst mufflers or headers and California kits are street legal on California pollution controlled vehicles when used with Original Equipment mufflers All EFl equipped models require ECM calibration priced separately Fits 50 51316 10 Softail models Also fits O8 later California Softail models amp 27543 08 Black 899 95 Fits 50 state 10 Touring model
20. FI Touring models and 04 05 EFI Dyna models 29859 04A Silver 809 95 29775 02B Black 809 95 Fits 99 01 fuel injected Touring models 99 models require Splined Cam Sprocket P N 25716 99 29492 99C Black 809 95 TWIN CAM STOCK VS 95CI STAGE II KIT 130 130 120 1208 T 2110 110 T z 100 1009 g 8 90 90 5 80 805 o 70 dnt 70 8 z amp 60 dette 60 8 Uo P a 2 50 e 50 c o F o o E 40 Stock TC 88 TQ 40 9 i 8 Ike e e Stock TC 88 HP 5 NOTE Separate purchase of Cam Spacer Kit P N 25938 00 is recommended for 2 E um 99 06 Touring 01 06 Softail and 04 05 Dyna models This kit contains five 20 20 different spacers to achieve proper sprocket alignment Individual spacers can be 2 25 3 35 4 45 5 55 6 65 7 purchased separately For O6 Dyna models see service manual for proper procedure Engine Speed rpm x 1000 and Cam Spacer part numbers B SCREAMIN EAGLE PRO STAGE II KIT 95 CUBIC INCHES 20 EFI RACE USE PERFORMANCE TWIN CAM 103 amp 95 CI RACE KITS SCREAMIN EAGLE PRO Dy SUPER TUNER Get the biggest advantage at the race track with the Screamin Eagle Pro EFI Super Tuner The hardware and software in the Super Tuner makes EFI tuning easier with dozens of innovative tuning enhancements Super Tuner is available in 7 languages English Spanish German French
21. GE I KIT FOR EFI MODELS 103 CUBIC INCHES This Big Bore Kit lets you increase the displacement of your Twin Cam 96 engine equipped model from 96 cubic inches 1584cc to 103 cubic inches 1690cc Includes Big Bore cylinders Big Bore flat top piston assemblies and a Stage Air Cleaner Kit with one piece back plate integral breath ers all mounting hardware and gaskets A high perfor mance clutch spring is included to provide the additional clutch capacity required by the extra torque Requires sepa rate purchase of primary cover gasket This kit is street legal when used with stock mufflers Not all components shown All EFl equipped models require ECM calibration priced separately Recalibration is required for proper installation and will allow engine to rev to 6200 RPM See dealer for details Labor cost not included Fits all O7 Twin Cam and O8 later Softail models 29903 07A Black 639 95 29904 07A Silver 639 95 Fits O8 later Dyna models 27535 08 Black 639 95 27536 08 Silver 639 95 Fits 08 later Touring models except FLHTK and Trike 27539 08 Black 639 95 27540 08 Silver 639 95 Fits European 10 Touring models Legal on HDI configured models when used with stock exhaust and air cleaner 27534 10 Black 639 95 NOTICE Installation of automatic or manual compression releases on large displacement engines is highly recommended TWIN CAM 96 STOCK VS 103CI
22. PRO SUPER TUNER SHOWN WITH CABLE KIT AND SOFTWARE EFI RACE USE PERFORMANCE 21 SUPER TUNER A SCREAMIN EAGLE PRO HIGH FLOW 58MM EFI THROTTLE BODY ELECTRONIC THROTTLE The biggest engines deserve the most fuel This huge 58mm Throttle Body 8mm or 1696 larger than stock won t leave your engine starving for more air The one piece throttle body features Electronic Throttle Control technology new for 08 and 09 Touring models Just add your stock injectors or the Screamin Eagle Pro High Flow Injector Kit P N 27796 08 sold separately Stock injectors are recommended for engines making up to 100 rear wheel horsepower Screamin Eagle High Flow injectors are recommended for engines creating greater than 100 rear wheel horsepower All EFl equipped models require ECM calibration sold sepa rately For race application only 27713 08 399 95 Fits O8 later Touring models B SCREAMIN EAGLE PRO HIGH FLOW 58MM EFI THROTTLE BODY CABLE OPERATED THROTTLE This massive 58mm bore Throttle Body is extruded precision machined and polished to provide all the air you ll need to dominate at the track Designed for use with Screamin Eagle Pro cylinder heads installation requires separate purchase of Screamin Eagle Pro High Flow Intake Manifold P N 29667 07 and either the Screamin Eagle Pro High Flow Air Cleaner P Kit P N 29515 08 or the Heavy Breather Air Intake System T 29253 08A 29006 09 or 28716 10 Injectors m
23. able calibration text custom note fields drag and drop cut and paste and printing capability To get you on the track quickly Screamin Eagle offers a comprehensive computer based training DVD P N 32101 08 For race application only 32109 08A 459 95 Fits O1 later EFI VRSCTM XL XR Dyna Softail and O2 later EFI Touring and Trike models Also fits VRXSE Destroyer race bikes Shown with SCREAMIN EAGLE PRO SUPER TUNER Te SOFTWARE WITH SMART TUNE This updated software is required for all new 2010 model year updates for the Super Tuner EFI tuning capabilities Software includes new 2010 race use only calibrations along with all previous race use calibration software from 02 09 The new software also includes a new time saving self tuning feature called Smart Tune Now you can choose a base calibration run the bike and record the data to the VCI box download the data and the software will automatically make recom mendations and adjust the settings for optimum perfor mance Smart Tune works on models with factory installed O2 sensors only For race application only 3211110 Software CD 29 95 Fits O1 later EFI VRSCTM XL XR Dyna Softail and 02 later EFI Touring and Trike models Also fits VRXSE Destroyer race bikes SCREAMIN EAGLE PRO SUPER TUNER CABLE KIT 32184 08 39 95 SCREAMIN EAGLE PRO SUPER TUNER TRAINING DVD 32101 10 29 95 C SCREAMIN EAGLE
24. acer part numbers For race application only Fits 07 later Twin Cam models except Trike and FLHTK 29893 07A Black 759 95 29894 07A Silver 759 95 TWIN CAM 96 STOCK VS 103CI STAGE KIT 130 130 e N o o a N o er hp EN e e 1009 p o gt Corrected Rear Wheel Torque lb ft x eo 8 o 80 805 70 60 EI PCI 60 8 amp 50 e 50 5 Jb ao ee stock 96 1 0 1 40 8 e e Stock 96CI HP 30 103CI Stage II TQ 4 30 8 103CI Stage Il HP M o 20 2253 35 4 45 5 55 6 65 7 Engine Speed rpm x 1000 A SCREAMIN EAGLE PRO STAGE II KIT 103 CUBIC INCHES B SCREAMIN EAGLE PRO STAGE II KIT 95 CUBIC INCHES When stock cams just won t do This Big Bore Kit provides the parts you need to increase the horsepower of your EFl equipped model The kit increases the displacement of your 99 06 Twin Cam 88 from 88 cubic inches 1450cc to 95 cubic inches 1550 Includes Stage SE203 cams 3 7 8 cylinders 3 7 8 pistons clips air cleaner and breather high performance clutch spring hardware and gaskets Requires separate purchase of primary cover gasket and Air Cleaner Trim Ring Not all components shown All EFl equipped models require ECM calibration priced sepa rately For race application only Fits 01 06 EFI Softail models 02 06 E
25. ans is that you can enlarge your racing engine s displacement by installing cylinders with a bigger bore and or by adding a stroker flywheel and crankshaft combination to increase piston stroke ENGINE SPEED rpm x 1000 NEW EFI CAMS Available for 06 later EFI Twin Cam models E cams feature a unique lobe design that controls the valves for a higher lift with a shorter duration This allows us to remove overlap and take advantage of the EFI system to improve performance without impacting part throttle drivability TORQUE ENGINE SPEED rpm x 1000 CLEARANCE VOLUME Vc BORE DISPLACEMENT VOLUME Vd TDC STROKE BDC 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 5 6 0 CRANK THROW THE GENERAL EFFECTS OF INCREASING DISPLACEMENT ON ENGINE PERFORMANCE Increasing engine displacement is an easy way to increase the output of an engine Displacement increases tend to increase the output of the engine across the entire engine speed range Big bore pistons and cylinder and or stroker kits are available to increase engine displacement 05 PISTONS amp HEADS Once you ve increased your engine s displacement you need to select complementary components that provide an ideal compression ratio for your specific situation You can actually increase race engine power solely by boosting the compression ratio the amou
26. ended TWIN CAM 96 STOCK VS 103CI STAGE III KIT b 6 Ei 5 Ei 5 o eo co x e s 70 ee 8 60 o 88 8 Stock 96C TQ 40 Stock 601 HP 103Cl Stage IlI TQ 30 103CI Stage IIl HP Corrected Rear Wheel Torque Ib ft w Corrected Rear Wheel Horsepow M N 2 25 3 35 4 45 5 55 6 65 7 Engine Speed rpm x 1000 C SCREAMIN EAGLE PRO STAGE III KIT 103 CUBIC INCHES EFI RACE USE PERFORMANCE 19 TWIN CAM 103 CI RACE KITS A SCREAMIN EAGLE PRO Se STAGE II KIT 103 CUBIC INCHES The Stage Big Bore Kit provides the parts you need to improve the track performance and horsepower of your EFl equipped model The kit increases the displacement of your Twin Cam equipped model from 96 cubic inches 1584cc to 103 cubic inches 1690cc Kit includes Stage II SE 255 cams 3 7 8 Big Bore cylinders 3 7 8 Big Bore flat top pistons a high performance clutch spring and all mounting hardware and gaskets Just add your choice of a Screamin Eagle High Flow or Heavy Breather Air Cleaner sold separately for maximum track performance Requires separate purchase of primary cover gasket Not all compo nents shown All EFl equipped models require ECM calibra tion priced separately Separate purchase of cam spacers is required See service manual for proper procedure and cam sp
27. gets you there Lug dB E EH M LM ES EID j br Pee BAM EET B Bee E F _ 5 P 11 L3 A SCREAMIN EAGLE STREET LEGAL 110 CUBIC INCH STAGE KIT FOR EFI MODELS Bring your Twin Cam motorcycle up to the same displace ment and power output as the CVO Screamin Eagle models a gigantic 1800cc s This street legal kit combines all the proven components of the CVO Screamin Eagle models the 4 big bore forged pistons and cylinders SE 255 camshafts and cylinder heads with automatic compression release The Screamin Eagle cylinder heads and forged piston combination offers a 9 3 1 compres sion ratio for easy starting The cylinder heads also promi nently feature the Screamin Eagle 110 script Kit includes all required gaskets except primary cover and transmission interface gasket and hardware to complete the installa ion Installation requires case boring Professional installa ion recommended Separate purchase of cam spacers is required See service manual for proper procedure and cam spacer part numbers Requires separate purchase of appro priate Automatic Compression Release Wiring Harness All EFl equipped models require ECM calibration priced separately Fits 50 state 10 Touring models except FLHX and FLTRX Kit includes CVO Air Cleaner Back Plate 27501 10 Black 1 449 9
28. lacement engines is highly recommended TWIN CAM 96 STOCK VS 103CI STAGE IV KIT 130 130 120 1208 2110 neg S 100 100 amp B 90 90 o 80 80 70 70 amp 60 mi 60 8 beet 4 B SCREAMIN EAGLE PRO STAGE IV KIT 103 CUBIC INCHES 07 LATER DYNA AND SOFTAIL SHOWN 8 os SHOWN WITH OPTIONAL AUTOMATIC COMPRESSION RELEASES 5 40 Miccoli 30 10301 Stage IV TQ 30 103CI Stage IV HP 20 20 2 25 3 35 4 45 5 55 6 65 7 Engine Speed rpm x 1000 C SCREAMIN EAGLE PRO e STAGE III KIT 103 CUBIC INCHES This 103 bolt on kit is designed to provide increased perfor mance enhancements at an attractive price range that will work with your Original Equipment heads Kit includes 3 7 8 diameter highlighted cylinders forged aluminum 10 5 1 compression ratio pistons an SE259E cam supported by high performance valve springs along with the appropriate Perfect Fit Pushrods and gasket kit In addition kit includes our must have EFI Super Tuner to provide the correct calibration for appropriate tuning abilities For race applica tion only Fits 07 later Twin Cam equipped models Also fits 99 06 Twin Cam models equipped with 4 5 8 stroker flywheels 27513 08A Black 1 499 95 27514 08A Silver 1 499 95 NOTICE Installation of automatic or manual compression releases on large displacement engines is highly recomm
29. ll it your engine is the single most important factor in improving your bike s performance Decide whether you want a street legal stage kit for more passing power or a big bore monster motor that ll melt the asphalt right off the track Check out the basics outlined below and let your dealer know how you plan to embarrass your competition again MOVE MORE AIR amp FUEL Moving more air and fuel through the engine is the easiest and most cost effective way to make more horsepower and torque A free flowing air cleaner and matching tuned exhaust will add performance you can feel To optimize engine performance and to minimize the risk of engine damage any changes to the intake and exhaust system must be accompanied by an increase in fuel flow Re jetting the carburetor or recalibrating the fuel injection Electronic Control Module ECM will alter the amount of fuel and determine the precise moment at which fuel is released into the combustion chamber Whenever you re planning on making performance upgrades make sure to consult your Harley Davidson dealer about the results you want to achieve CAMSHAFTS Camshafts are a fundamental ingredient in the performance recipe because they control the timing and duration of all major engine events They are the primary means by which you can tune your engine s horsepower and torque output Every cam has unique lift and overlap performance characteristics which means you need to
30. nock THE GENERAL EFFECTS OF COMPRESSION RATIO ON FUEL QUALITY REQUIREMENTS Increasing the compression ratio of an engine will likely result in a need to run higher octane fuel in the motorcycle This graph shows the general trend for minimum required fuel octane rating for various compression ratios Cam selection also plays an important role in fuel quality requirements For a given compression ratio cams with an early intake valve closing value will likely require higher octane fuel than cams with a later intake valve closing value to a to MINIMUM FUEL OCTANE RATING T COMPRESSION RATIO 7w PERFORMANCE TUNING Modifying an EFl equipped motorcycle for racing is similar to modifying a carbureted model in that freer flowing intake and exhaust systems will require more fuel and increased displacement and compression will require more fuel as well as spark timing changes The Screamin Eagle Pro Super Tuner provides the computer based tools you need to record and edit the ECM tuning tables for fuel delivery and spark timing The Tuning Mode allows you to alter specific variables in your EFI system and the Data Mode enables you to record and display real time vehicle data and graph the results on screen The Super Tuner software also includes a variety of pre tuned race application calibrations that can be saved and loaded into your ECM STAGE KITS Developed specifically for f
31. nt of pressure resulting from squeezing the air fuel mixture inside the cylinder s combustion chamber The shape of the combustion chamber which is dictated by the design of the cylinder heads and pistons also has an effect on how efficiently the fuel air mixture is drawn into the cylinder burned and then expelled Screamin Eagle Cylinder Heads offer a fusion of innovative port shapes and proven valve train components that produce race winning power And when matched with Screamin Eagle Pistons which feature a range of designs for faster burn patterns and specific performance results they can help put the competition at your back LARGER VALVES TAPERED VALVE RIGHT SIZED COMBUSTION CHAMBER CNC SHAPED FREE FLOWING PASSAGES PORTS TORQUE 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 5 6 0 ENGINE SPEED rpm x 1000 THE GENERAL EFFECTS OF COMPRESSION RATIO ON ENGINE PERFORMANCE Increasing the compression ratio is a common method for increasing an engine s performance Increasing the compression ratio increases the thermal efficiency of the engine resulting in an increase in engine performance across the entire engine speed range High compression pistons are an easy way to increase compression ratio See page 36 for recommended head and piston combinations Caution increasing the compression ratio will likely result in a need to run higher octane fuels and less spark advance to avoid harmful spark k
32. or race application only 29667 07 89 95 Fits 06 later Dyna and Softail EFI models and 06 07 5 Touring EFI models equipped with Screamin Eagle Pro 58mm EFI Throttle Body P N 27639 07 The intake flanges supplied in this kit will only fit cylinder heads machined for use with the stock symmetrical intake flanges OE since B SCREAMIN EAGLE PRO HIGH FLOW 58MM EFI THROTTLE BODY CABLE OPERATED THROTTLE MY06 All Screamin Eagle performance cylinder heads SHOWN WITH MAP SENSOR NOT INCLUDED except Kompressor with kit P N extension of 06 or later have a intake port diameter of 1 750 and are machined for use with symmetrical intake flanges D SCREAMIN EAGLE PRO HIGH FLOW INJECTOR KIT 58MM THROTTLE BODY Injectors provide fuel delivery at the rate of 4 9 grams second 2596 more than Original Equipment injectors Recommended for use with engine configurations making more than 100 rear wheel horsepower All EFl equipped models require ECM calibration sold separately For race application only 27797 07 139 95 Fits Twin Cam models equipped with Screamin Eagle 58mm EFI Throttle Body P N 27639 07 and Intake Manifold P N 29667 07 Also available SCREAMIN EAGLE PRO HIGH FLOW INJECTOR KIT 58MM THROTTLE BODY Injectors provide fuel delivery at the rate of 5 3 grams second 2396 more than Original Equipment injectors Recommended for use with engine configurations making more than 10
33. ount to the Screamin Eagle Manifold stock injectors can be re used for engines making up to 100 rear wheel horsepower Screamin A SCREAMIN EAGLE PRO HIGH FLOW 58MM EFI THROTTLE BODY ELECTRONIC THROTTLE Eagle Pro High Flow Injectors P N 27797 07 are recom mended for engines producing greater than 100 Rear Wheel Horsepower All EFl equipped models require ECM calibra tion sold separately For race application only 27639 07A 449 95 Fits 06 later Dyna and Softail EFI models and 06 07 Touring EFI models Not compatible with cruise control C SCREAMIN EAGLE PRO HI FLOW INTAKE Dy MANIFOLD 58MM THROTTLE BODY This manifold is cast and precision machined to provide an exact fit with Screamin Eagle Pro Accessory cylinder heads and the Screamin Eagle Pro 58mm EFI Throttle Body P N 27639 07 This manifold has intake runners which are 100 larger in diameter than all stock Twin Cam heads and early Screamin Eagle performance cylinder heads The intake port diameter in the cylinder heads should be 1 750 if not an experienced engine builder can open the cylinder head ports to this diameter to ensure a smooth transition and air flow Stock injectors can be re used for applications making up to 100 rear wheel horsepower Screamin Eagle Pro High Flow Injectors P N 27797 07 are recommended for engines producing greater than 100 rear wheel horsepower All EFl equipped models require ECM calibration sold sepa rately F
34. s except FLHTK FLHX FLTRX and Trike Also fits O8 later California Touring models except Trike FLHTK FLHX and FLTRX amp 27557 08 Black 899 95 27558 08 Silver 899 95 Fits 50 state 10 Dyna models Also fits O8 later California Dyna models except FXDF and FXDWG amp 27545 08 Black 899 95 Fits 49 state 09 Touring models except Trike Not street legal in California 27564 09 Black 899 95 27565 09 Silver 899 95 Fits 49 state 08 Touring models Not street legal in California 27532 08 Black 1 199 95 27533 08 Silver 1 199 95 Fits 49 state 08 09 Dyna models except FXDF Not street legal in California 27541 08 Black 1 199 95 Fits 09 Dyna FXDF models 50 state street legal 27566 09 Black 899 95 NOTICE Installation of automatic or manual compression releases on large displacement engines is highly recommended TWIN CAM 96 STOCK VS 103CI STAGE II KIT 130 130 p120 1208 2110 iud S 400 1009 o o 90 90 5 6 80 80 8 z 70 70 t MIR ral 60 2 60 8 S 50 50 8 He 9 6 5 E 40 Stock 96CI TQ 40 3 g e e Stock 9601 HP E 30 103CI Stage Il TQ 30 8 103CI Stage Il HP 20 20 2 25 3 35 4 45 5 55 6 65 7 Engine Speed rpm x 1000 EFI STREET LEGAL PERFORMANCE 13 TWIN CAM 103 CI STAGE KITS A SCREAMIN EAGLE BIG BORE STA
35. select cams based on exactly the kind of power you re looking for If you need increased torque to launch a heavy bike off the line or high horsepower to improve trap speed with a lightweight bike Screamin Eagle cams are available in a wide variety of configurations engineered to help you achieve the results you crave THE GENERAL EFFECTS OF CAM TIMING ON ENGINE PERFORMANCE The intake closing point relative to bottom center listed in the table on page 43 can be used as a general indicator for the shape of the torque curve As illustrated in this graph earlier intake closing values will result in higher torque at low engine speeds along with lower torque at high engine speeds Later intake closing values will result in higher torque at high engine speeds along with lower torque at low engine speeds TORQUE DISPLACEMENT When it comes to increasing engine power there s no substitute for cubic inches Assuming efficient volumetric filling and proper air fuel mixture the bigger the displacement the more power your engine can produce Essentially there are three ways to increase your racing engine s displacement by increasing cylinder bore by increasing piston stroke or by increasing both the cylinder bore and piston stroke Remember stroke refers to the vertical distance a piston travels inside a cylinder and bore refers to the diameter of the cylinder chamber in which the piston travels What all this me
36. state of California PERFORMANCE VS NOISE Contrary to popular opinion just because a bike is loud doesn t necessarily mean it performs better In most cases a certain amount of backpressure which is generated primarily by the baffles in a muffler is needed to effectively scavenge burnt fuel and air from the engine s cylinders and increase performance Straight pipes that contain no baffles are only advantageous in very specific racing applications namely for running lightweight bikes that have been tuned for high horsepower high RPM operation on the drag strip Most bikes running in ET classes that require a fast starting line launch need an exhaust system designed to add additional torque throughout the RPM range 10 TUNING Remember your engine is a complex system of interrelated components that rely on each other to function properly When you change your exhaust you will most likely have to tune other parts of the system like your air and fuel flow to create the optimum synergy between components and maximize their on track performance potential in the RPM range in which you ll be running LEGAL EFI PERFORMANCE LIFE STAGES Developed specifically for fuel injected Harley Davidson motorcycles Screamin Eagle Street Legal Kits eliminate the guesswork and the need for trial and error testing normally associated with engine modifications Just define your performance goals and pick the Stage Kit that
37. th some Screamin Eagle high performance engine parts must not be used on public roads and in some cases may be restricted to closed course competition CAUTION ICONS GO LIGHT These Screamin Eagle products are 50 state street legal for sale and use on all vehicles including those that are pollution controlled STOPHAND Harley Davidson motorcycles modified with some performance engine parts must not be used on public roads and in some cases may be restricted to closed course competition Those performance parts identified with a stophand symbol are U S EPA legal but are NOT legal for sale or use in California on pollution controlled motor vehicles California guidelines on tampering can also lead to substantial fines and penalties CROSSED FLAGS Harley Davidson motorcycles modified with some Screamin Eagle performance engine parts must not be used on public roads and in some cases may be restricted to closed course competition In this Screamin Eagle section all engine related performance parts identified with the crossed flags symbol are intended for racing applications only and are not legal for sale or use in California on pollution controlled vehicles Alterations of emission related components constitutes tampering under the U S EPA guidelines and can lead to substantial fines and penalties CALIFORNIA These Screamin Eagle products are street legal for sale and use on pollution controlled vehicles in the
38. ttle body Can be used with stock injec tors or with VRXSE Performance Injector Kit P N 27791 05 Recalibration required through EFI Race Tuner only For race application only 27670 05 Fits 02 later VRSC models 499 95 H SCREAMIN EAGLE PRO VRXSE DESTROYER Dey PERFORMANCE INJECTOR KIT This performance injector kit features 6 hole twin jet injec tors that flow 30 more fuel compared to stock injectors Recalibration required through EFI Race Tuner only For race application only 27791 05 299 95 Fits 02 later VRSC models equipped with P N 27670 05 Destroyer Big Bore Throttle Body Kit G SCREAMIN EAGLE PRO VRXSE DESTROYER H SCREAMIN EAGLE PRO VRXSE DESTROYER BIG BORE THROTTLE BODY KIT PERFORMANCE INJECTOR KIT EFI INTAKE PERFORMANCE PARTS 23 TWIN CAM VRXSE amp VRSC MODELS
39. uel injected Harley Davidson motorcycles Screamin Eagle EFI Stage Kits offer complete street legal and racing performance configurations engineered to help you generate specific torque and horsepower gains at a given engine calibration Eliminating all the guesswork and trial and error testing normally associated with engine modifications Stage Kits include everything you need to enhance your bike s performance including big bore cylinders high compression pistons performance cams and high flow air cleaners Always consult with your dealer about any Stage Kit related modifications OTHER CONSIDERATIONS Increased engine power and higher rev limits increase the stresses placed on other components To maximize your engine s potential and help ensure its long term health remember to add high performance rocker arms gaskets valve springs cylinder studs and clutch springs into the mix i TT 08 PUT IT TO THE TEST Even with access to high speed computers theoretical modeling software and hundreds of years of combined engineering expertise we still need to put our theories to the test We make hundreds of runs on the engine dyno to find the right mix of performance parts and then subject bikes to hours on the chassis dyno to dial in perfect calibrations for street and track use But sometimes you just need to put rubber to the track For a complete

2010 SCREAMIN`EAGLE®PRO RACING PARTS - Harley

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2010 SCREAMIN`EAGLE&reg;PRO RACING PARTS - Harley

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2010 SCREAMIN`EAGLE®PRO RACING PARTS - Harley