S&S CYCLE Cylinder Kit 910-0690

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 1250cc pistons with rings and wristpins, S&S 3-9/16" bore cylinders, MLS head, base and exhaust gaskets, assembly lube and instructions Made in the U.S.A. 883 models will require the use of XL1200 cylinder heads to achieve correct compression ratios.