Pontiac 65-79 389, 400, 421, 428, 455 Extra Seal Intake Gaskets with Block Offs(SET)
| Brand: | Speedmaster |
| Part Number: | PCE349.1030 |
| Part Type: | Intake Manifold Gasket |
| Port Style: | Square |
| Port Height (in): | 2.200 in. |
| Port Width (in): | 1.180 in. |
| Gasket Material: | Printoseal |
| Thickness (in): | 0.060 in. |
| Quantity: | Sold as a set. |
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.
