H-D #406-37 (24536-37) Brand New Production! Looks like a "NOS" * Part UL MOTOR CASE - Left Side Replica of OEM for 1937 - 1948 Harley UL & ULH Motors Comes with blank VIN pad Main bearing bore is a cast-in steel insert Case is machined to use the later 1940 - 1954 type Bearing Race 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 Case Case is made from strong 356 aluminum alloy, which has been heat treated to T6 specifications
H-D #406-37 (24536-37) Brand New Production! Looks like a "NOS" * Part UL MOTOR CASE - Left Side Replica of OEM for 1937 - 1948 Harley UL & ULH Motors Comes with blank VIN pad Main bearing bore is a cast-in steel insert Case is machined to use the later 1940 - 1954 type Bearing Race 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 Case Case is made from strong 356 aluminum alloy, which has been heat treated to T6 specifications
