| Listed in parts books | Not catalogued by year yet |
PISTON SET 650 NORTON 060
Piston set for the Norton 650 twin, .060 oversize, for a rebored cylinder.
This is a piston set for the Norton 650 twin, listed in the .060 oversize. That's a rebore size, meant for a cylinder that's already been bored out past standard to clean up wear or damage, so it's not something you'd order without knowing your barrels have already been machined to match.
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This is a Norton part, not a Triumph one, so if you're working on a Triumph twin this one isn't for your engine. We don't have much more detail on file beyond the description and size stamped on the part number itself, so give the shop a call to confirm ring specs, gudgeon pin fit, and anything else you need before you order.
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