See more: Primary Housing & Covers
Outer Covers, Fits Big Twin 1937-1954, black, V-Twin Mfg. (OEM 3801-36A, 60505-36)
Stamped steel inner and outer primary covers are also known as "tin" primary. Available for all 4 Speed Big Twin. Can be used as stock replacement for Big Twin with stock steel primary or as Custom replacement for later models without electric start.