124" Hot Set Up Engine Performance Kits / '99-'17 Twin Cams

Transform your Twin Cam Harley Davidson into a formidable 124" powerhouse with the S&S Cycles 124" Hot Set Up Engine Performance Kit. This comprehensive kit is designed for Twin Cam owners looking to significantly upgrade their stock engine using the original crankcases (with modification). With a black powder coat finish, this performance kit not only boosts your engine's performance but also enhances its appearance. Heres what the kit includes and why its the ultimate upgrade: Key Features: Comprehensive Upgrade: Includes S&S heads 91cc, 4.125 bore cylinders, and forged 10.8:1 flat-top pistons, ensuring a significant increase in displacement and performance. Enhanced Flywheel Assembly: Comes with an S&S 4.625 stroke flywheel assembly, providing a solid foundation for the increased power output. High-Performance Cams: Features S&S .640 lift gear drive Easy Start cams, optimizing your engine's timing and efficiency for the added displacement. Quality Components: In