1962-79 4, 6 or Small Block V8 Block Side Freeze Plug (1-5/8")
Original GM freeze plugs for use in the hole sizes and locations listed. Freeze plugs are cup type.
Rear Block Steel Freeze Plug - 2-1/64"
This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Freeze plugs: When rebuilding your 6 or 8 cylinder GM truck engine, use original GM replacement freeze plugs. You can always be assured of the correct fit with original GM parts.