BSA M20 M21 M33 B31 B32 B33 B34 C10 C11 PRIMARY CHAIN INSPECTION CAP 27-0209

This is a brand new screw in primary inspection cap brass.

Fits: Fits: BSA M20, M21, M33, B31, B32, B33, B34, C10, C11 rigid and plunger models.

Part number: 27-0209