New Chrome oil pan drain plug, with plastic gasket.
Has a different sized head than factory oil pan bolts.
Correct 1/2" - 20 bolt diameter and thread pattern for factory Mercury Cougar and Ford Mustang V-8 oil pans 1967-73.
Replaces Ford part # D1AZ-6730-A / D1AZ-6730-B (bolt) & C2OZ-6734-A (gasket).
The Ford Master Parts Catalog lists bolt D1AZ-6730-B as the service replacement for all factory oil pans for the 200, 240, 250, 289, 302, 351, 352, 410, 427, 428, and 429 engines 1965-1973.