Primary Chaincase, BSA A7, A10, B31, B33, Goldstar, Swinging Arm, 1954-63, 42-7506

A brand new primary chaincase for a range of swinging arm BSA models from the 1950s through to the 1960s.
BSA A7/A10 Swinging Arm Models 1954-63
BSA B31/B32/B33 Outer Primary Chaincase Cover
BSA DB32 / DBD34 Goldstar Swinging Arm Models 1954-63
This is a quality alloy item, made in the UK.
Features a hole for a threaded clutch inspection cover.
Gasket faces are finished, but cover itself requires polishing to finish

OEM: 42-7506