Description
Product Description
CYL KIT, 3-9/16" BORE, 4.650", FD, 920-0070, WBLACK, 86-UP X
Features
- For the best performance CNC head porting, performance cams, exhaust and intake upgrades are recommended.
- Converts '86-'21 883 cc and 1200 cc Sportster models to 1250 cc displacement
- No machining or rebalancing is required
- Will not work with XR1200 models.
- Forged pistons - coated piston skirts with measurement window and S&S logo
- Forged pistons have larger than stock valve pockets and accepts up to 2.00" valves
- 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
- 883 models will require the use of XL1200 cylinder heads to achieve correct compression ratios.

