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 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 Made in the U.S.A. 883 models will require the use of XL1200 cylinder heads to achieve correct compression ratios. Will not work with XR1200 models.. CYLINDER KT 1250 BLK 10.3
