Seller notes

Big block Mopars generally have a very good oiling system from the factory. However, one easy modification recommended by Mopar Performance is to enlarge the passages which go from the passenger side main oil galley to the main bearings. This allows extra oil to both the main and rod bearings, and only takes a few minutes to do with any hand drill. This auction is for the special 12" long drill bit required, which should be a standard part in any mechanic's tool box who is building high performa...

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