Distributor O ring/ gasket part #

Yes to pcv system on engine in car. This is on new sb build, engine is on a stand. I noticed none of the orings Ive tried fit. The issue isnt the potential oil leak, its that the dist shaft sits that much higher outta the pump drive.

mopowers said

I must be lucky. I've never had a distributor leak at the o-ring. Do you have an operable PCV system?

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