S&S CYCLE Cylinder - Standard - 131" - Black - M8 910-0763

Huge displacement increase means huge power increase Works with stock crankcases Original engine serial numbers are retained Powder coat finish matches factory finish 045" MLS (multi-layered steel) head gaskets Retains stock engine height Includes 131" Cam Cover Badge Must be used with 4-5/8" stroker flywheels to achieve 131" displacement