132" Big Bore Cylinder Kits / '17-'23 114"-117" M8

No Shipping to CA Unlock the ultimate potential of your Harley with the S&S Cycles 132” Big Bore Kit. Engineered for the M-Eight 114”/117” engines, this bolt-on solution delivers unparalleled performance without the need for crankcase machining. Dive into a world where power meets precision, and every ride becomes an unforgettable adventure. What Sets It Apart: Peak Performance: Achieves the largest cylinder bore that’s possible without altering the crankcase, featuring a 4.320” bore and an extended 4.5” stroke. High-Caliber Components: Equipped with 11:1 forged pistons for resilience and unrivaled power. Seamless Installation: Includes all necessary multi-layered steel (MLS) head gaskets and hardware, maintaining your engine's stock height and integrity. Signature Aesthetics: Each kit comes with an exclusive cam cover badge, marking your commitment to quality and performance. American Craftsmanship: Proudly designed and made in the U.S.A., embodying the spirit of Amer