This 1200cc cylinder and piston kit contains a set of S&S 3-1/2" bore S&S cylinder with wrinkle natural aluminum finish, fitted to a set of S&S 3-1/2" bore forged pistons for S&S Super Stock cylinder heads, head gaskets, base gaskets, and exhaust gaskets. When installed in 1200cc engines no flywheel balancing is required. If installed in an 883cc engine stock flywheel balancing is recommended. Compression ratio is 10.5:1.
Pistons in this kit are designed for the combustion chamber of S&S Super Stock cylinder heads and are not compatible with stock heads.