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Details
| Also known as | 6940+.040 |
| Listed in parts books | Not catalogued by year yet |
RING SET A50 +.040
Piston ring set for the BSA A50 engine, +.040 oversize.
PN · JRCBSAA50R/040A
Available in 3 sizes (rebore oversizes):
This is a piston ring set for the BSA A50 engine, sized at +.040 over standard bore. It's not a Triumph part — the description ties it directly to BSA's A50 unit twin, so if you're working on a Triumph motor this one isn't for you.
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We don't have much more on file for this listing beyond the ring set designation and the oversize spec. If you're rebuilding an A50 and need to confirm the bore size or ring count before you order, give us a call and we'll sort out fitment with you.
$54.49
Pin your bike to check this part fits.
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