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S&S Cycle 124" Hot Set-Up Kit For Harley Twin Cam
Unleash raw, unadulterated street dominance by expanding your motor into a high-compression 124" power house. Packed with S&S 4-1/8" bore pistons, 640 gear drive Easy Start cams, and race-ready Super Stock heads, this kit delivers brutal torque and aggressive throttle response while dropping straight into your frame. It’s the ultimate high-output upgrade for riders who demand maximum asphalt-shredding performance without compromising on fitment.
Features:
- Huge displacement increase means huge power increase
- Stock crankcase, oil pump, and cam cover can be reused
- Wrinkle Black powdercoat finish heads matches factory finish, giving bike a ″sleeper″ advantage
- Original crankcase is used, so original engine serial number is retained
- Kit features 91cc S&S Cycle heads with 10.8:1 compression ratio, S&S Cycle 4-1/8" bore cylinders and pistons, a 4-5/8" stroke flywheel assembly, chain drive S&S Cycle 640 Easy Start cams, tappets, S&S Cycle pushrods, roller rocker arms, and all required hardware, gaskets and instructions
- .045" MLS head gaskets used
- Adds .096" to engine height
| Product Style | RevZilla Item # | Store Sku | MFR. Product # | Availability |
|---|---|---|---|---|
| Product Style S&S Cycle 124" Hot Set-Up Kit For Harley Twin Cam 1999-2006 | RevZilla Item #1181851 | Store Sku | MFR. Product #900-0564 | AvailabilityOnly 2 Left: Ships within 24 hours |
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S&S Cycle 124" Hot Set-Up Kit For Harley Twin Cam 1999-2006 Instructions
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