Complete Big Bore cylinder kit with cylinders, pistons, rings and gaskets; easy installation and made in the USA. Professional installation recommended.
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Complete Big Bore cylinder kit with pistons, rings and gaskets; easy swap installation, requires a skilled technician.
Complete Big Bore cylinder kit with cylinders, pistons, rings and gaskets; easy swap installation, made in the USA.
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.
S&S Cycle cylinder and piston kit with forged pistons, rings, wrist pins, and gaskets. Made in the U.S.A.
Bolt-in big-bore kit with ductile-iron cylinder sleeves; complete kit includes pistons, rings, pins, clips, and gaskets. Not for use with S&S 79cc heads.
Complete Big Bore cylinder kit with pistons, rings and gaskets. Simple swap installation; professional assembly required.
High-performance cylinder kit with premium aluminum cylinders and cast-in iron liners. Easy installation; kit includes pistons, rings and gaskets.
Bolt-on design for straightforward installation.
Bored slightly under nominal size; not honed.
Made in the USA.
Manufacturer recommends specific head bolts for big bore applications.
Bolt-on cylinder kit that retains original engine serial numbers and includes MLS head gaskets, all installation hardware, and a cam cover badge.
Bolt-on cylinder kit with MLS head gaskets and complete installation hardware included.
Bolt-on cylinder kit with MLS head gaskets and cam cover badge. Stroker flywheel sold separately. Made in USA.
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.
Complete S&S top-end kit with heads, pre-fit forged pistons, and all necessary hardware for quick installation.
- Complete top-end assembly with heads, cylinders, pistons, and gaskets.
- Pistons pre-fit to cylinders for minimal downtime.
- Includes all hardware, clamps, and seals; made in the USA.
Designed for 124" Hot Set Up Kits and '99-'17 Twin Cams; requires crankcase machining.
Replacement kit includes cylinders, forged pistons, rings, wrist pins, and gaskets; only for 88" motors. Professional assembly and clearance checks required.