1250 Cc Conversion Kit

• Converts '86-'21 883 cc and 1200 cc Sportster models to 1250 cc displacement
• Forged pistons have larger than stock valve pockets and accepts up to 2.00" valves
• Forged pistons - coated piston skirts with measurement window and S&S logo
• No machining or rebalancing is required
• Kit includes S&S 1250 cc pistons with rings and wristpins, S&S 3-9/16" bore cylinders, MLS (Multi-Layer Steel) head, base and exhaust gaskets, assembly lube and instructions
• Made in the USA

Notes

• Will not work with XR1200 models.
• 883 models will require the use of XL1200 cylinder heads to achieve correct compression ratios.
• For the best performance CNC head porting, performance cams, exhaust and intake upgrades are recommended.