| Listed in parts books | Not catalogued by year yet |
PISTONS BSA A10 8.5 STD
Standard-bore, 8.5 compression piston for the BSA A10 twin.
This is a piston listed for the BSA A10, in 8.5 compression and standard bore size. It's a BSA part, not a Triumph part, so if you're working on a Triumph twin this one isn't for your bike.
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Our catalog entry on this one is brief. We don't have more detail on it beyond the compression ratio and standard sizing noted here, so if you're piecing together a rebuild for an A10 motor, give us a call and we'll confirm what we've actually got in stock and whether it matches your specific engine needs.
As with any piston order, get your bore measured before you buy so you know standard is actually what you need rather than a rebore size.
Sorry if we got something wrong here. If you think this information isn't correct, .