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Complete Big Bore cylinder kit with cylinders, pistons, rings and gaskets; easy installation and made in the USA. Professional installation recommended.
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.
Complete 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.
Protects boots from exhaust heat, chain contact, and swing arm movement; easy bolt-on installation with included hardware and instructions.
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.