1962-79 Rear Block Freeze Plug 4 Or 6 Cylinder (2")
Original GM freeze plugs for use in the hole sizes and locations listed. Freeze plugs are cup type.
1971 Mercury Cougar Parts - Freeze Plugs
Classic Industries offers a wide selection of Engine Hardware for your 1971 Mercury Cougar. Classic Industries offers 1971 Mercury Cougar Bolt Kits, 1971 Mercury Cougar Engine Bay Insulation and 1971 Mercury Cougar Freeze Plugs.