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quaddad

big bore head gasket

2 posts in this topic

quick question. bored the 426, 2mm over to make it a 446. can i use a stock head gasket or must i use a gasket for the overbore.

Mark

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No stock one won't work what size is the piston on a 450 it is 95mm Try a 450 gasket :) if not Cometic makes over size gaskets :)

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