| Also known as | CH290 |
| Listed in parts books | Not catalogued by year yet |
BSA HEAD GASKET COPPER A10
Copper head gasket for the BSA A10 twin, PN 67-0255 (also listed as CH290).
This is a copper head gasket for the BSA A10, listed in our records as 67-0255 with the older reference CH290 also tied to the same part. It's a BSA piece, not a Triumph one, so if you came here off a Triumph parts list double check the number against your book before you order.
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A copper head gasket like this seats between the cylinder head and barrel and seals the combustion chamber. Copper is the traditional material for this application on older British twins because it can take repeated heat cycling and be re-annealed if needed.
We don't have much more detail on this one beyond what's above. If you're not certain which A10 variant you're working on, call the shop and we'll confirm fitment before you order.
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