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) — Big Bore/Stroker Unleash street-ready torque with the S&S CYCLE 124" Hot Set Up® Engine Performance Kit . Designed for non-balanced Twin Cam models , this precision kit transforms stock crankcases into a proven 124" big bore/stroker powerplant with a bold wrinkle black finish. Key Features Converts a stock engine to 124" using stock crankcases Includes S&S Super Stock® 91 cc cylinder heads 4.125" bore cylinders with forged big bore flattop pistons S&S 4.625" stroke flywheel assembly 640 gear drive Easy Start cams, premium tappets, adjustable pushrods Includes roller rocker arms, plus all hardware, gaskets & instructions Made in the USA Fitment & Notes EFI must be recalibrated Fuel or ignition system not included All clearances and assembly specifications must be checked Although the engine is 0.960" taller , there are no frame clearance problems ; a stock EFI throttle body fits due to specially machined head manifold surfaces Specifications Type: Engine Kit Color/Finish: Powder Coated, Wrinkle Black Displacement: 124" Bore Size: 4.125" Stroke Length: 4.625" Compression Ratio: 11.0:1 Cam Drive Type: Gear Style: Big Bore | Riding Style: Street Weight: 111 lbs Dimensions: 21.2" x 20" x 20"
For non-balanced Twin Cam models
Converts a stock engine to 124" using the stock crankcases
Include S&S Super Stock® 91 cc cylinder heads , 4.125” 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.