| Listed in parts books | Not catalogued by year yet |
VALVE GUIDE +.005,CAST IRON EXHAUST (LONGER) 650/750 TRIUMPH 506
Cast iron exhaust valve guide, +.005 oversize, longer style, for Triumph 650/750 twins.
This is an exhaust valve guide for Triumph 650/750 twins, cast iron, machined oversize at +.005 for a fresh fit in a bore that's been reamed to true it up. It's the longer exhaust-side guide, distinct from the shorter intake guide, so pay attention to which one you're ordering when you're doing a valve job.
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Oversize guides like this one are used when the original guide bore has worn or when a head has been rebuilt and needs a guide that's a touch larger in outside diameter to seat tight in the head casting. Cast iron is the traditional material for these and gives good wear characteristics against the valve stem.
Our catalog record on this one is brief and doesn't tie it to a specific model year, so if you're matching it to a particular head, check the dimensions on your existing guide or call the shop and we'll help confirm before you order.
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