Speedmaster PCE349.1007 Fits Chevy BBC 454 Intake Manifold Gasket Set (1275) 2.34" X1.82" X0.060

Most Speedmaster intake manifold gaskets have Printoseal construction, which puts beads of special elastomers around the ports for extra sealing power. They also feature a non-metallic, rubber-fiber base material that resists gasoline and alcohol, while allowing engine builders to precision-trim around the intake ports.

• Printoseal construction puts beads of special elastomers around the ports for extra sealing power
• Rubber-fiber base material that resists gasoline and alcohol, while allowing engine builders to precision-trim around the intake ports.