Complete S&S top-end kit with heads, pre-fit forged pistons, and all necessary hardware for quick installation.
HARLEY
Subcategories
Includes eight long studs, two short studs and one top motor mount stud. One kit required per head.
Ductile cast-iron sleeved cylinders pressed into aluminum castings. Sleeve ribs lock to the casting; finished slightly undersized for final honing. Ideal for stock replacement.
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 big-bore cylinder and piston kit with forged pistons, gaskets, and hardware; ideal for stroker engine builds. Made in the U.S.A.
Cylinders finished undersized for finish-hone fitting.
OEM black texture powder-coat with highlighted fins.
Stock replacement for straightforward installation.
Direct-fit big bore kit for improved displacement and performance. Includes cylinders, pistons, rings and gaskets. Professional installation required.