BSA B40 OHV 350 Star / 343cc Piston Rings / +.020"
US$49.99
NOS BSA B40 COVMO Piston Rings - - +.020"
The package reads as follows;
1961 343cc OHV
B40 350 STAR
79mm / 3.1102 / +.020"
MADE IN ENGLAND
**Please study the photo carefully, you're purchasing what's depicted**