Bolt-on cylinder kit with MLS head gaskets and cam cover badge. Stroker flywheel sold separately. Made in USA.
Subcategories
Bolt-on kit that increases displacement without case machining. Includes MLS head gaskets and cam cover badge. Requires S&S stroker flywheel (sold separately). Made in the USA.
High-strength replacement studs that meet or exceed OE standards. Made in the USA.
Stylish wind protection in aircraft-grade Lucite with e‑coated aluminum mounts and included hardware for easy installation.
Stylish wind protection with rubber-isolated guards, includes matching hardware, made in the USA.
Complete S&S top-end kit with heads, pre-fit forged pistons, and all necessary hardware for quick installation.
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.
 
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