Copper Seal Header Gaskets Fits 1965-1990 Chevrolet 396-454 Big Block with Square Ports Mr Gasket
Mr. Gasket Copper Seal Header Gaskets are a high quality copper Gasket that performs extremely well and are reusable.
We recommend this in all racing and high performance applications. They are for stock heads unless indicated, and work well in high heat and turbocharged applications.
- Manufactured from В“Dead Soft Inch (solid) .043 inch thick copper material
- .051 inch embossment around each exhaust port to seal irregular surfaces. Total Gasket thickness .094 inch
- Provides excellent sealing and durability
- Conforms to and seals minor surface irregularities
- For high performance street, drag race, oval track and turbocharged (extreme heat) applications
Details:
- Collector Gaskets Included: No
- Emission Code: 5
- Gasket Line: Copper-Seal
- Material: Copper
- Port Shape: Square
- Port Size: 1.85 x 1.90
- Warranty: Manufacturer's Limited 90 Day Warranty
CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Vehicle Fitment
| Year | Make | Model | Trim |
|---|---|---|---|
| 1965–1967 | Chevrolet | Impala | SS |
| 1965–1972 | Chevrolet | Chevelle | SS |
| 1965–1972 | Chevrolet | Biscayne | — |
| 1965–1974 | Chevrolet | Corvette | — |
| 1965–1975 | Chevrolet | Bel Air | — |
| 1965–1976 | Chevrolet | Impala | — |
| 1966–1972 | Chevrolet | Caprice | — |
| 1966–1975 | Chevrolet | El Camino | — |
| 1967 | Chevrolet | Camaro | — |
| 1967 | Chevrolet | Camaro | RS |
| 1967–1972 | Chevrolet | Camaro | SS |
| 1968 | Chevrolet | Chevy II | Nova |
| 1968–1974 | Chevrolet | C10 Pickup | — |
| 1968–1974 | Chevrolet | K20 Pickup | — |
| 1968–1974 | Chevrolet | C30 Pickup | — |
| 1968–1974 | Chevrolet | K10 Suburban | — |
| 1968–1974 | GMC | C25/C2500 Pickup | — |
| 1968–1974 | Chevrolet | C20 Suburban | — |
| 1968–1974 | GMC | C15/C1500 Pickup | — |
| 1968–1974 | Chevrolet | El Camino | SS |
| 1968–1974 | GMC | C15/C1500 Suburban | — |
| 1968–1974 | Chevrolet | K30 Pickup | — |
| 1968–1974 | GMC | C25/C2500 Suburban | — |
| 1968–1974 | Chevrolet | K10 Pickup | — |
| 1968–1974 | Chevrolet | El Camino | Custom |
| 1968–1974 | Chevrolet | C10 Suburban | — |
| 1968–1974 | GMC | K35/K3500 Pickup | — |
| 1968–1974 | GMC | C35/C3500 Pickup | — |
| 1968–1974 | Chevrolet | K20 Suburban | — |
| 1968–1974 | Chevrolet | C20 Pickup | — |
| 1968–1974 | GMC | K25/K2500 Pickup | — |
| 1968–1974 | GMC | K15/K1500 Suburban | — |
| 1968–1974 | GMC | K25/K2500 Suburban | — |
| 1968–1974 | GMC | K15/K1500 Pickup | — |
| 1969 | Chevrolet | Camaro | RS |
| 1969 | Chevrolet | Chevelle | 300 Deluxe |
| 1969 | Chevrolet | Camaro | — |
| 1969–1970 | Chevrolet | Estate | — |
| 1969–1972 | Chevrolet | Chevelle | Greenbrier |
| 1969–1972 | Chevrolet | Chevelle | Malibu |
| 1969–1972 | Chevrolet | Chevelle | Nomad |
| 1969–1972 | Chevrolet | Kingswood | Estate |
| 1969–1972 | Chevrolet | Chevelle | Concours Estate |
| 1969–1972 | Chevrolet | Kingswood | — |
| 1969–1972 | Chevrolet | Chevelle | Concours |
| 1969–1972 | Chevrolet | Nova | — |
| 1969–1972 | Chevrolet | Brookwood | — |
| 1969–1972 | Chevrolet | Townsman | — |
| 1970–1971 | GMC | P35/P3500 Van | — |
| 1970–1972 | Chevrolet | Chevelle | — |
| 1987 | Chevrolet | R20 Suburban | Custom Deluxe |
| 1987 | Chevrolet | V20 Suburban | Custom Deluxe |
| 1987 | GMC | R2500 Suburban | High Sierra |
| 1987–1988 | Chevrolet | V30 | Scottsdale |
| 1987–1988 | Chevrolet | R20 Suburban | Silverado |
| 1987–1988 | Chevrolet | R20 | Silverado |
| 1987–1988 | Chevrolet | V20 Suburban | Silverado |
| 1987–1988 | Chevrolet | V30 | Custom Deluxe |
| 1987–1988 | Chevrolet | V30 | Silverado |
| 1987–1988 | Chevrolet | R20 | Custom Deluxe |
| 1987–1988 | Chevrolet | R30 | Silverado |
| 1987–1989 | GMC | R2500 | High Sierra |
| 1987–1989 | GMC | R3500 | Sierra Classic |
| 1987–1989 | GMC | R2500 | Sierra Classic |
| 1987–1989 | GMC | V3500 | Sierra Classic |
| 1987–1989 | GMC | R2500 Suburban | Sierra Classic |
| 1987–1989 | GMC | V3500 | High Sierra |
| 1987–1989 | GMC | R2500 | — |
| 1987–1990 | GMC | R3500 | — |
| 1987–1990 | GMC | R2500 Suburban | — |
| 1987–1990 | GMC | V3500 | — |
| 1988 | Chevrolet | R20 | Cheyenne |
| 1988 | Chevrolet | R30 | Cheyenne |
| 1988 | Chevrolet | V30 | Cheyenne |
| 1988–1990 | Chevrolet | C3500 | Silverado |
| 1988–1990 | Chevrolet | G30 | Sportvan |
| 1988–1990 | Chevrolet | K3500 | Silverado |
| 1988–1990 | Chevrolet | G30 | Chevy Van |
| 1988–1990 | GMC | K3500 | Sierra SLX |
| 1988–1990 | Chevrolet | G30 | Hi-Cube |
| 1988–1990 | GMC | G3500 | Magnavan |
| 1988–1990 | Chevrolet | K3500 | Scottsdale |
| 1988–1990 | Chevrolet | C3500 | Scottsdale |
| 1988–1990 | Chevrolet | K3500 | Cheyenne |
| 1988–1990 | Chevrolet | C3500 | Cheyenne |
| 1988–1990 | GMC | C3500 | Sierra SLX |
| 1988–1990 | GMC | K3500 | Sierra |
| 1988–1990 | GMC | C3500 | Sierra |
| 1988–1990 | Chevrolet | G30 | Beauville |
| 1988–1990 | GMC | K3500 | Sierra SLE |
| 1988–1990 | GMC | C3500 | Sierra SLE |
| 1989 | Chevrolet | R2500 | Cheyenne |
| 1989–1990 | GMC | G3500 | Rally |
| 1989–1990 | Chevrolet | V3500 | Cheyenne |
| 1989–1990 | Chevrolet | R3500 | Cheyenne |
| 1989–1990 | GMC | G3500 | Vandura |
| 1989–1990 | GMC | G3500 | Vandura Special |
| 1989–1990 | GMC | G3500 | Rally Camper Special |
| 1989–1990 | Chevrolet | R2500 Suburban | Scottsdale |
| 1989–1990 | GMC | G3500 | Rally STX |
