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Complete S&S top-end kit with heads, pre-fit forged pistons, and all necessary hardware for quick installation.
Includes eight long studs, two short studs and one top motor mount stud. One kit required per head.
Replacement kit includes cylinders, forged pistons, rings, wrist pins, and gaskets; only for 88" motors. Professional assembly and clearance checks required.
Durable Big Bore upgrade with premium aluminum cylinders and cast-in iron liners. Kit includes pistons, rings and gaskets. Made in the USA. Requires skilled installation.
Cylinders with a stock bolt pattern, bored slightly under nominal size and left un-honed; designed for 124" hot set up kits and '99-'17 Twin Cams. Requires crankcase machining.
Complete cylinder and piston replacement kit for 80" Shovelhead engines that preserves stock compression; includes pistons, cylinders, rings, gaskets and mounting hardware. Made in USA.
Complete big-bore cylinder and piston kit with forged pistons, gaskets, and hardware; ideal for stroker engine builds. Made in the U.S.A.
Bolt-in big bore kit with cast ductile iron sleeves for improved heat transfer. Complete kit includes cylinders, forged pistons, rings, pins, clips and gaskets. Not for use with S&S 79cc heads.
Precision dowel pins for accurate brake pad alignment. Durable construction and straightforward installation for reliable brake performance.
Complete 96" big bore kit includes cylinders, pistons, rings and gaskets; made in the U.S.A.; requires crankcase boring and a skilled technician for installation.