Thread: Replacing 2 piece rear seal

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I'm going to replace the rear seal (327 engine). Any advice on which brand or type to use? The engine has been align honed. I see in the Mr. Gasket catalog there are three different typs, D lip, S lip, and the align hone 400. Am I right in thinking the latter is for 400 engines only?

you do not need to worry the 400 takes i diff seal or should when it get line bored i have heard of guy making shims for the 400 trying to get a std seal to work . this has to do with the 400 as bigger main bore and the seal lip part of the block is smaller than the bore