Mr. Gasket Ultra-Seal Head Gasket - 5716G fuses 25-inch inlet/outlet diameter connections and

25-inch inlet/outlet diameter connections and are intended for customized Pre-OBDII racing applications

4 V8 1968 - 1973 Chevrolet C20 Pickup 307/5 V8 1970 - 1972 Chevrolet C20 Pickup 402/6

3 L V6 2009 - 2010 Chrysler Town & Country Touring 231/3

2 V6 1978 - 1979 GMC Caballero 200/3

Mr. Gasket Ultra-Seal Head Gasket - 5716G fuses 25-inch inlet/outlet diameter connections andOverview: Mr. Gasket Ultra Seal Head Gaskets are a five layer (graphite core perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads,