| Listed in parts books | Not catalogued by year yet |
INLET GUIDE,NORTON 850 +.004 - ROWE
An oversize (+.004) inlet valve guide for the Norton 850 engine.
This is an inlet valve guide sized +.004 over standard, listed for the Norton 850 engine. The oversize spec means it's meant for a bore that has already been machined out slightly from stock, whether from wear or a prior rebuild, so it's not a stock-size guide.
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We don't have much more in our records on this particular listing beyond the description itself. Since this is a Norton Commando engine part and not a Triumph piece, if you're sourcing it for a rebuild alongside Triumph parts, keep it in its own pile.
Give us a call and we'll confirm the exact application before you order, since valve guide fitment is not something you want to get wrong on a cylinder head that's already been bored oversize.
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