Description
S&S Cycle 910-0689 1250cc Conversion Kit for 1986-21 HD Sportster Models – Silver Finish
- 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 kit is not compatible with XR1200 models*





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