| Also known as | 23181 |
| Listed in parts books | Not catalogued by year yet |
RING SET NOR 750 +.080 US
Piston ring set for a Norton 750 twin, +.080 in. oversize, also listed under part number 23181.
This is a piston ring set for a Norton 750 twin, oversized at +.080 in. over standard bore. The catalog description ties it specifically to the Norton 750 platform, not any Triumph model, so despite showing up in a Triumph-parts numbering system, this is a Norton engine part. It's listed as an alternate to part number 23181, which is the older reference for the same ring set.
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Ring sets like this get used when a cylinder has been rebored to clean up wear or damage, and the +.080 oversize means the bore on the engine in question has already been taken out to that dimension. We don't have more detail on this one beyond the catalog listing itself, so if you're not sure whether your bore has been machined to this size, check your measurements or give us a call before ordering.
Since this part carries a JRC-style number but is clearly a Norton piece by description, don't be thrown off by where it lives in our system — it's cross-referenced here because that's how the supplier catalog filed it, not because it's Triumph hardware.
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