BSA Carburettor M21 1 1/16"
Main Jet 160
Needle Jet 106
Slide No. 4
also suitable for many Pre War BSA incl. Sloper and Blue Star
fitted with Type 6 or 76 Carburettor. Various Jets avaiable on request.
Silencer Chrome RHS
16H rigid 1933-
Big 4,ES2,M18
Inter Rigid, 19R 500/600ccm
1.3/4". Rigid
Diameter of silencer 3 1/2"
Not for plunger models (BOA-N5-S)
Made in England
Muffler