As low as $1,735.03/mo with or . (Pay in 4 interest-free payments)
S&S CYCLE 124" Hot Set Up® Engine Performance Kit (Wrinkle Black) Upgrade your balanced 88B Twin Cam with the S&S CYCLE 124" Hot Set Up® Big Bore/Stroker kit. Designed to convert stock crankcases into a powerful 124" street-ready engine, this kit delivers strong performance with precision-built components and S&S quality. What’s Included 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 and adjustable pushrods Roller rocker arms and complete hardware All gaskets and instructions Key Features For balanced Twin Cam models Engine is 0.960" taller than stock, but no frame clearance problems reported Stock EFI throttle body fits—heads are machined for stock length manifold mounting surfaces Made in the USA Specifications Displacement: 124" Bore: 4.125" Stroke: 4.625" Compression Ratio: 11.0:1 Cam Drive: Gear Color/Finish: Wrinkle Black (Powder Coated) Riding Style: Street Important Fitment/Setup Notes: EFI system must be recalibrated. Fuel or ignition system not included. Verify all clearances and assembly specifications prior to installation.
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.
or 
. (Pay in 4 interest-free payments)
