Pan CRANKCASE - Left Side only Replica of OEM 1948 - 1954 style Main bearing bore is a cast-in steel insert Case uses the 1940 - 1954 type Bearing Race Original casting number is on the inside of the case The cylinder deck, bore, motor mounts, and the main bearing bore are all left with .040-.060 of extra material so case can be perfectly matched machine to your original right hand case Case is made from strong 356 aluminum alloy, which has been heat treated to T6 specifications
Pan CRANKCASE - Left Side only Replica of OEM 1948 - 1954 style Main bearing bore is a cast-in steel insert Case uses the 1940 - 1954 type Bearing Race Original casting number is on the inside of the case The cylinder deck, bore, motor mounts, and the main bearing bore are all left with .040-.060 of extra material so case can be perfectly matched machine to your original right hand case Case is made from strong 356 aluminum alloy, which has been heat treated to T6 specifications
