S&S Cycle 07-17 BT Models 110in Sidewinder Big Bore Kit - Silver

This bolt-in kit requires no machining, balancing, or crankcase splitting, allowing installation with the engine in the frame. It features a cast ductile iron sleeve in cast aluminum for superior heat transfer. The kit boosts 88 cubic inch engines to 100 cubic inches, and 96/103 cubic inch engines to 110 cubic inches. With a 10.5:1 compression ratio (with stock 85cc heads), it provides a streetable and dependable engine that works well with performance cams. The kit includes cylinders, forged pistons, rings, piston pins, clips, and gaskets. It is available with wrinkle black or silver powdercoat finish cylinders. This kit is not for use with S&S 79cc heads.