| Also known as | 70-0340 |
| Listed in parts books | Not catalogued by year yet |
VALVE GUIDE +.002 500 PM - Manganese Bronze
A +.002 oversize manganese bronze valve guide for the 500 engine family.
This is a valve guide machined from manganese bronze, made oversize at +.002 for engines where the guide bore has been reamed to take up wear. It's listed for the 500 engine family. The oversize spec means it's meant for a rebuild where the head has already been opened up to that dimension, not a straight drop-in replacement for a standard guide.
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Our records show this part under two numbers, 70-6301/002R and 70-0340, so if your parts book lists the older 70-0340 form, that's the same physical piece.
We don't have much more detail on this one beyond the material and oversize spec. Give us a call if you want to confirm it's the right guide for your head before you order.
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