Product Details
Harley Davidson Sportster 1200 Custom 2017, 1250cc Conversion Kit by S&S Cycle®. This kit converts 1986-'21 883cc and 1200cc HD Sportster models to 1250cc displacement. No machining or rebalancing is required. Kit contains forged flat topped 3-9/16" bore pistons with coated piston skirts, S&S 3-9/16" bore cylinders, MLS head gaskets, base gaskets, exhaust gaskets, assembly lube, and instructions. 883 cylinder heads may not be used with this kit. For the best performance CNC head porting, performance cams, exhaust and intake upgrades are recommended.. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials using up-to-date equipment, it ensures everlasting reliability and enduring value. This product is distinguished by total quality assurance, unsurpassed by anybody else.
Notes
- For closed course competition use only. not intended for street use.
Fitment notes
- For 1986-2019 HD® Sportster® Models.
Features
- Made with dedication to forward-thinking design and high quality
- Unique, dependable, and functional
- Developed specifically for motorcycle applications
Founded in 1958, S&S Cycle® has been providing high performance motorcycle parts for Harley-Davidson® and other v-twin motorcycles for over 55 years. Starting with a simple offering of light weight pushrod kits, the S&S motorcycle performance product line has grown to include exhaust systems, camshafts, carburetors, fuel injection systems, stroker kits, big bore kits, cylinder heads, service replacement parts and complete motorcycle engines for both vintage and modern v-twins.