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124" Hot Set Up® Engine Performance Kit

S&S CYCLE

124" Hot Set Up® Engine Performance Kit

$6,262.95

-

124″ Hot Set Up® Engine Performance Kit – Black

In Stock
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Part Number: 0903-1254 . 900-0565 Categories:
Ships FREE to USA
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Guaranteed Low Price
Military and First Responder Discount
Part Note: Uses gear drive cams.
S&S CYCLE
  • For balanced Twin Cam models
  • Converts a stock engine to 124″ using the stock crankcases
  • Includes S&S Super Stock® 91 cc cylinder heads, 4.125″ big bore cylinders, forged big bore flattop pistons, S&S 4.625″ stroke flywheel assembly, S&S 640 gear drive Easy Start cams, S&S premium tappets, S&S adjustable pushrods, roller rocker arms, and all hardware, gaskets and instructions
  • Made in the USA
  • EFI system must be recalibrated.
  • Fuel or ignition system not included.
  • All clearances and assembly specifications will need to be checked.
  • Although the engine is 0.960″ taller than stock, there are no frame clearance problems, and a stock EFI throttle body will fit because the manifold mounting surfaces of the heads have been specially machined to fit a stock length manifold.
Brand: S&S CYCLE
SKU: 0903-1254 . 900-0565
Part Number: 09031254
Categories: Complete Engines & Rebuild Kits > Engine, Complete Engines & Rebuild Kits > Parts, Complete Engines & Rebuild Kits > Category Tree v2.0
Name: 124″ Hot Set Up® Engine Performance Kit
Weight 111 lbs
Dimensions 21.75 × 20 × 20 in
Bore Size Imperial

4.125"
Color/Finish

Powder Coated
Model

Hot Set Up®
Stroke Length Imperial

4.625"
Cam Drive Type

Gear
Compression Ratio Imperial

10.8:1
Style

Big Bore
Type

Engine
Riding Style

Street
Displacement

124"
Product Name

Performance Kit
Units

Kit

Brand

S&S CYCLE

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124" Hot Set Up® Engine Performance Kit - Black

Fitments

Year Make Model
2005 Harley-Davidson 15th Anniversary Fat Boy FLSTF
2006 Harley-Davidson FLST Heritage Softail
2001 - 2006 Harley-Davidson FLSTC Heritage Softail Classic
2001 - 2006 Harley-Davidson FLSTCI Heritage Softail Classic
2001 - 2006 Harley-Davidson FLSTF Fat Boy
2001 - 2006 Harley-Davidson FLSTFI Fat Boy
2005 - 2006 Harley-Davidson FLSTFSE Screamin Eagle Fat Boy
2006 Harley-Davidson FLSTI Heritage Softail
2005 - 2006 Harley-Davidson FLSTN Softail Deluxe
2005 - 2006 Harley-Davidson FLSTNI Softail Deluxe
2001 - 2003 Harley-Davidson FLSTS Heritage Springer
2005 - 2006 Harley-Davidson FLSTSC Softail Springer Classic
2005 - 2006 Harley-Davidson FLSTSCI Softail Springer Classic
2001 - 2003 Harley-Davidson FLSTSI Heritage Springer
2001 - 2006 Harley-Davidson FXST Softail Standard
2001 - 2006 Harley-Davidson FXSTB Night Train
2001 - 2006 Harley-Davidson FXSTBI Night Train
2001 - 2006 Harley-Davidson FXSTD Softail Deuce
2001 - 2006 Harley-Davidson FXSTDI Softail Deuce
2003 - 2004 Harley-Davidson FXSTDSE Screamin Eagle Softail Deuce
2001 - 2006 Harley-Davidson FXSTI Softail Standard
2001 - 2006 Harley-Davidson FXSTS Springer Softail
2001 - 2006 Harley-Davidson FXSTSI Springer Softail
2003 Harley-Davidson Screamin' Eagle Deuce FXSTDSE
2004 Harley-Davidson Screamin' Eagle Deuce FXSTDSE2
2005 Harley-Davidson Screamin' Eagle Fat Boy FLSTFSE
2006 Harley-Davidson Screamin' Eagle Fat Boy FLSTFSE2
2005 - 2006 Harley-Davidson Softail Deluxe EFI FLSTNI
2005 - 2006 Harley-Davidson Softail Deluxe FLSTN
2001 - 2006 Harley-Davidson Softail Deuce EFI FXSTDI
2001 - 2006 Harley-Davidson Softail Deuce FXSTD
2001 - 2006 Harley-Davidson Softail Fat Boy EFI FLSTFI
2001 - 2006 Harley-Davidson Softail Fat Boy FLSTF
2001 - 2006 Harley-Davidson Softail Heritage Classic EFI FLSTCI
2001 - 2006 Harley-Davidson Softail Heritage Classic FLSTC
2006 Harley-Davidson Softail Heritage EFI FLSTI
2006 Harley-Davidson Softail Heritage FLST
2001 - 2003 Harley-Davidson Softail Heritage Springer EFI FLSTSI
2001 - 2003 Harley-Davidson Softail Heritage Springer FLSTS
2001 - 2006 Harley-Davidson Softail Night Train EFI FXSTBI
2001 - 2006 Harley-Davidson Softail Night Train FXSTB
2005 - 2006 Harley-Davidson Softail Springer Classic EFI FLSTSCI
2005 - 2006 Harley-Davidson Softail Springer Classic FLSTSC
2001 - 2006 Harley-Davidson Softail Springer EFI FXSTSI
2001 - 2006 Harley-Davidson Softail Springer FXSTS
2001 - 2006 Harley-Davidson Softail Standard EFI FXSTI
2001 - 2006 Harley-Davidson Softail Standard FXST

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer’s information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.

General Safety Warning

Failure to follow manufacturer’s recommendations and requirements can cause product failure resulting in serious injury or death. While effort has been taken in collecting accurate fitment information, LeMans Corporation accepts no liability for loss or damage resulting from errors or omissions. If you believe any of the information provided is erroneous, please email .

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