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OVERSIZE 500 EX STUB+.007
Same component, shown as 70-9510
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OVERSIZE 500 EX STUB+.007

An oversize (+.007) exhaust valve guide stub for the 500cc twin engine.

PN · 70-9510/OS
Available in 2 sizes:

This is an oversize exhaust valve guide stub, machined .007 in. over standard, for the 500cc twin engine family. It's a replacement part for the exhaust side of the head, sized up for a guide bore that's been reamed out past standard dimension - usually because the original guide seat wore oversize or a previous rebuild took it there.

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We don't have much more detail on this one beyond what's on the part tag itself. If you're not sure whether your head needs the .007 oversize or standard, measure the guide bore before you order, or call the shop and we'll help you sort it out.

$44.49
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