S&S Cycle
SSC Conversion Kits
Part # 910-0689
WARNING: This product can expose you to chemicals known to the State of California to cause cancer or reproductive harm. More info at p65warnings.ca.gov.
Ships from Turn 14 Distribution warehouses · Tracking texted + emailed automatically · Shipping & returns
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.