Mr. Gasket Ultra Seal Exhaust Gasket Set Features: Graphite-Impregnated Facing Steel Expanded Metal Core Superior Tensile Strength Resists Cracking Withstands Intense Heat Resists Deteriorating Anti-Stick Properties Easy Removal For Disassembly Height: 25.50 Width: 4.30 Length: 0.20 Weight: 0.38 lbs Fitment: 1979/Pontiac/Firebird/Trans Am Coupe 2-Door/6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated^^1979/Pontiac/Firebird/Formula Coupe 2-Door/6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated^^1978/Pontiac/Grand Safari/Base Wagon 4-Door/6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated^^1978/Pontiac/Firebird/Trans Am Coupe 2-Door/6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated^^1978/Pontiac/Firebird/Formula Coupe 2-Door/6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated^^1978/Pontiac/Catalina/Safari Wagon 4-Door/6.6L 400Cu. In. V8 GAS OHV Naturally ...