S&S CYCLE 124" Hot Set Up® Engine Performance Kit — 4.625" stroke, 4.125" bore, Wrinkle Black – 99-06 Touring, 00-06 CVO, 00-06 Softail, 99-05 Dyna

The 124" Hot Set Up® Engine Performance Kit converts a stock engine to 124" using the stock crankcases and is designed for non-balanced Twin Cam models. 🔧🇺🇸

• Includes 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.
• Includes all hardware, gaskets, and instructions for installation.
• Made in the USA.
• EFI system must be recalibrated; fuel or ignition system not included.
• All clearances and assembly specifications must be checked during assembly.
• 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 accept a stock-length manifold.