BSA M20/M21 Silencer Plunger 1 3/4" 1950-
BOA-B13P-SBSA M20/M21 Silencer Plunger
500/600 cc
Made in UK
Muffler
The length is 615 mm = 24 ¼?
The Diameter of the barrel = 7?
More BSA Exhaust/Silencers/Pipes on www.vintage-motorcycle.com
BSA M20/M21 Silencer Plunger
500/600 cc
Made in UK
Muffler
The length is 615 mm = 24 ¼?
The Diameter of the barrel = 7?
More BSA Exhaust/Silencers/Pipes on www.vintage-motorcycle.com