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but i have been forwarned to look for cracks in the head
Kevin

very common problem from what people post. The ex is listed as 1.625" & I read that the seat is slightly smaller than that on them so I bought a single 1.6" chebby valve & my head man said perfect fit(reamed the guides to 11/32").



Are the crack visable all do you need to get them magnafluxed???