Mr Gasket 5863 Ultra Seal Valve Cover Gasket Set Mr Gasket 5863
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These are high quality gaskets that works well on those hard to seal applications. The low density fiber & rubber blend gasket material seals those minor head imperfections with a low clamp force. At .312 inch, the extra thickness can also offer slightly more clearance for roller rockers. Ideal for all those high performance applications where you take the valve covers off and on a lot, and sticking is a problem.Fits all 1965-2000 Chevy Big Blocks: 366,396,402,427,454 including GM (General Motors) Gen VI Crate Engines like the 502 and 572.
Features
- These Are A Cork Rubber Blend
- Extra Thick 5/16 in. Creates Positive Seal
- Also Available In Standard Thickness
- For OE Replacement And High Performance Apps
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1972 | Chevrolet | Bel Air | ||
| 1973 | Chevrolet | Bel Air | ||
| 1974 | Chevrolet | Bel Air | ||
| 1975 | Chevrolet | Bel Air | ||
| 1975 | Chevrolet | C10 | ||
| 1976 | Chevrolet | C10 | ||
| 1977 | Chevrolet | C10 | ||
| 1978 | Chevrolet | C10 | ||
| 1979 | Chevrolet | C10 | ||
| 1980 | Chevrolet | C10 | ||
| 1968 | Chevrolet | C10 Pickup | ||
| 1969 | Chevrolet | C10 Pickup | ||
| 1973 | Chevrolet | C10 Pickup | ||
| 1974 | Chevrolet | C10 Pickup | ||
| 1968 | Chevrolet | C10 Suburban | ||
| 1969 | Chevrolet | C10 Suburban | ||
| 1973 | Chevrolet | C10 Suburban | ||
| 1974 | Chevrolet | C10 Suburban | ||
| 1975 | Chevrolet | C10 Suburban | ||
| 1976 | Chevrolet | C10 Suburban | ||
| 1977 | Chevrolet | C10 Suburban | ||
| 1978 | Chevrolet | C10 Suburban | ||
| 1979 | Chevrolet | C10 Suburban | ||
| 1980 | Chevrolet | C10 Suburban | ||
| 1975 | Chevrolet | C20 | ||
| 1976 | Chevrolet | C20 | ||
| 1977 | Chevrolet | C20 | ||
| 1978 | Chevrolet | C20 | ||
| 1979 | Chevrolet | C20 | ||
| 1980 | Chevrolet | C20 | ||
| 1981 | Chevrolet | C20 | ||
| 1982 | Chevrolet | C20 | ||
| 1983 | Chevrolet | C20 | ||
| 1984 | Chevrolet | C20 | ||
| 1985 | Chevrolet | C20 | ||
| 1986 | Chevrolet | C20 | ||
| 1968 | Chevrolet | C20 Pickup | ||
| 1969 | Chevrolet | C20 Pickup | ||
| 1973 | Chevrolet | C20 Pickup | ||
| 1974 | Chevrolet | C20 Pickup | ||
| 1968 | Chevrolet | C20 Suburban | ||
| 1969 | Chevrolet | C20 Suburban | ||
| 1973 | Chevrolet | C20 Suburban | ||
| 1974 | Chevrolet | C20 Suburban | ||
| 1975 | Chevrolet | C20 Suburban | ||
| 1976 | Chevrolet | C20 Suburban | ||
| 1977 | Chevrolet | C20 Suburban | ||
| 1978 | Chevrolet | C20 Suburban | ||
| 1979 | Chevrolet | C20 Suburban | ||
| 1980 | Chevrolet | C20 Suburban | ||
| 1981 | Chevrolet | C20 Suburban | ||
| 1982 | Chevrolet | C20 Suburban | ||
| 1983 | Chevrolet | C20 Suburban | ||
| 1984 | Chevrolet | C20 Suburban | ||
| 1985 | Chevrolet | C20 Suburban | ||
| 1986 | Chevrolet | C20 Suburban | ||
| 1975 | Chevrolet | C30 | ||
| 1976 | Chevrolet | C30 | ||
| 1977 | Chevrolet | C30 | ||
| 1978 | Chevrolet | C30 | ||
| 1979 | Chevrolet | C30 | ||
| 1980 | Chevrolet | C30 | ||
| 1981 | Chevrolet | C30 | ||
| 1982 | Chevrolet | C30 | ||
| 1983 | Chevrolet | C30 | ||
| 1984 | Chevrolet | C30 | ||
| 1985 | Chevrolet | C30 | ||
| 1986 | Chevrolet | C30 | ||
| 1968 | Chevrolet | C30 Pickup | ||
| 1969 | Chevrolet | C30 Pickup | ||
| 1973 | Chevrolet | C30 Pickup | ||
| 1974 | Chevrolet | C30 Pickup | ||
| 1988 | Chevrolet | C3500 | ||
| 1989 | Chevrolet | C3500 | ||
| 1990 | Chevrolet | C3500 | ||
| 1968 | Chevrolet | Camaro | ||
| 1969 | Chevrolet | Camaro | ||
| 1970 | Chevrolet | Camaro | ||
| 1971 | Chevrolet | Camaro | ||
| 1972 | Chevrolet | Camaro | ||
| 1966 | Chevrolet | Caprice | ||
| 1967 | Chevrolet | Caprice | ||
| 1972 | Chevrolet | Caprice | ||
| 1973 | Chevrolet | Caprice | ||
| 1974 | Chevrolet | Caprice | ||
| 1975 | Chevrolet | Caprice | ||
| 1976 | Chevrolet | Caprice | ||
| 1968 | Chevrolet | Chevelle | ||
| 1969 | Chevrolet | Chevelle | ||
| 1970 | Chevrolet | Chevelle | ||
| 1970 | Chevrolet | Chevelle | ||
| 1971 | Chevrolet | Chevelle | ||
| 1972 | Chevrolet | Chevelle | ||
| 1973 | Chevrolet | Chevelle | ||
| 1966 | Chevrolet | Corvette | ||
| 1967 | Chevrolet | Corvette | ||
| 1968 | Chevrolet | Corvette | ||
| 1969 | Chevrolet | Corvette | ||
| 1970 | Chevrolet | Corvette | ||
| 1971 | Chevrolet | Corvette | ||
| 1972 | Chevrolet | Corvette | ||
| 1973 | Chevrolet | Corvette | ||
| 1974 | Chevrolet | Corvette | ||
| 1972 | Chevrolet | El Camino | ||
| 1973 | Chevrolet | El Camino | ||
| 1974 | Chevrolet | El Camino | ||
| 1975 | Chevrolet | El Camino | ||
| 1973 | Chevrolet | G20 Van | ||
| 1974 | Chevrolet | G20 Van | ||
| 1973 | Chevrolet | G30 Van | ||
| 1974 | Chevrolet | G30 Van | ||
| 1972 | Chevrolet | Impala | ||
| 1973 | Chevrolet | Impala | ||
| 1974 | Chevrolet | Impala | ||
| 1975 | Chevrolet | Impala | ||
| 1976 | Chevrolet | Impala | ||
| 1968 | Chevrolet | K10 Pickup | ||
| 1969 | Chevrolet | K10 Pickup | ||
| 1968 | Chevrolet | K10 Suburban | ||
| 1969 | Chevrolet | K10 Suburban | ||
| 1976 | Chevrolet | K20 | ||
| 1977 | Chevrolet | K20 | ||
| 1978 | Chevrolet | K20 | ||
| 1968 | Chevrolet | K20 Pickup | ||
| 1969 | Chevrolet | K20 Pickup | ||
| 1973 | Chevrolet | K20 Pickup | ||
| 1974 | Chevrolet | K20 Pickup | ||
| 1968 | Chevrolet | K30 Pickup | ||
| 1969 | Chevrolet | K30 Pickup | ||
| 1973 | Chevrolet | K30 Pickup | ||
| 1974 | Chevrolet | K30 Pickup | ||
| 1988 | Chevrolet | K3500 | ||
| 1989 | Chevrolet | K3500 | ||
| 1990 | Chevrolet | K3500 | ||
| 1976 | Chevrolet | K5 Blazer | ||
| 1977 | Chevrolet | K5 Blazer | ||
| 1978 | Chevrolet | K5 Blazer | ||
| 1971 | Chevrolet | Kingswood | ||
| 1972 | Chevrolet | Kingswood | ||
| 1973 | Chevrolet | Laguna | ||
| 1974 | Chevrolet | Laguna | ||
| 1975 | Chevrolet | Laguna | ||
| 1973 | Chevrolet | Malibu | ||
| 1974 | Chevrolet | Malibu | ||
| 1975 | Chevrolet | Malibu | ||
| 1970 | Chevrolet | Monte Carlo | ||
| 1971 | Chevrolet | Monte Carlo | ||
| 1972 | Chevrolet | Monte Carlo | ||
| 1973 | Chevrolet | Monte Carlo | ||
| 1974 | Chevrolet | Monte Carlo | ||
| 1975 | Chevrolet | Monte Carlo | ||
| 1969 | Chevrolet | Nova | ||
| 1970 | Chevrolet | Nova | ||
| 1987 | Chevrolet | R20 | ||
| 1988 | Chevrolet | R20 | ||
| 1987 | Chevrolet | R20 Suburban | ||
| 1988 | Chevrolet | R20 Suburban | ||
| 1989 | Chevrolet | R2500 Suburban | ||
| 1990 | Chevrolet | R2500 Suburban | ||
| 1987 | Chevrolet | R30 | ||
| 1988 | Chevrolet | R30 | ||
| 1989 | Chevrolet | R3500 | ||
| 1990 | Chevrolet | R3500 | ||
| 1987 | Chevrolet | V30 | ||
| 1988 | Chevrolet | V30 | ||
| 1989 | Chevrolet | V3500 | ||
| 1990 | Chevrolet | V3500 | ||
| 1975 | GMC | C15 | ||
| 1976 | GMC | C15 | ||
| 1977 | GMC | C15 | ||
| 1978 | GMC | C15 | ||
| 1975 | GMC | C15 Suburban | ||
| 1976 | GMC | C15 Suburban | ||
| 1977 | GMC | C15 Suburban | ||
| 1978 | GMC | C15 Suburban | ||
| 1968 | GMC | C15/C1500 Pickup | ||
| 1969 | GMC | C15/C1500 Pickup | ||
| 1973 | GMC | C15/C1500 Pickup | ||
| 1974 | GMC | C15/C1500 Pickup | ||
| 1968 | GMC | C15/C1500 Suburban | ||
| 1969 | GMC | C15/C1500 Suburban | ||
| 1973 | GMC | C15/C1500 Suburban | ||
| 1974 | GMC | C15/C1500 Suburban | ||
| 1979 | GMC | C1500 | ||
| 1980 | GMC | C1500 | ||
| 1979 | GMC | C1500 Suburban | ||
| 1980 | GMC | C1500 Suburban | ||
| 1975 | GMC | C25 | ||
| 1976 | GMC | C25 | ||
| 1977 | GMC | C25 | ||
| 1978 | GMC | C25 | ||
| 1975 | GMC | C25 Suburban | ||
| 1976 | GMC | C25 Suburban | ||
| 1977 | GMC | C25 Suburban | ||
| 1978 | GMC | C25 Suburban | ||
| 1968 | GMC | C25/C2500 Pickup | ||
| 1969 | GMC | C25/C2500 Pickup | ||
| 1973 | GMC | C25/C2500 Pickup | ||
| 1974 | GMC | C25/C2500 Pickup | ||
| 1968 | GMC | C25/C2500 Suburban | ||
| 1969 | GMC | C25/C2500 Suburban | ||
| 1979 | GMC | C2500 | ||
| 1980 | GMC | C2500 | ||
| 1981 | GMC | C2500 | ||
| 1982 | GMC | C2500 | ||
| 1983 | GMC | C2500 | ||
| 1984 | GMC | C2500 | ||
| 1985 | GMC | C2500 | ||
| 1986 | GMC | C2500 | ||
| 1979 | GMC | C2500 Suburban | ||
| 1980 | GMC | C2500 Suburban | ||
| 1981 | GMC | C2500 Suburban | ||
| 1982 | GMC | C2500 Suburban | ||
| 1983 | GMC | C2500 Suburban | ||
| 1984 | GMC | C2500 Suburban | ||
| 1985 | GMC | C2500 Suburban | ||
| 1986 | GMC | C2500 Suburban | ||
| 1975 | GMC | C35 | ||
| 1976 | GMC | C35 | ||
| 1977 | GMC | C35 | ||
| 1978 | GMC | C35 | ||
| 1968 | GMC | C35/C3500 Pickup | ||
| 1969 | GMC | C35/C3500 Pickup | ||
| 1973 | GMC | C35/C3500 Pickup | ||
| 1974 | GMC | C35/C3500 Pickup | ||
| 1975 | GMC | G25 | ||
| 1976 | GMC | G25 | ||
| 1988 | GMC | G3500 | ||
| 1989 | GMC | G3500 | ||
| 1990 | GMC | G3500 | ||
| 1968 | GMC | K15/K1500 Pickup | ||
| 1969 | GMC | K15/K1500 Pickup | ||
| 1976 | GMC | K25 | ||
| 1977 | GMC | K25 | ||
| 1978 | GMC | K25 | ||
| 1976 | GMC | K25 Suburban | ||
| 1977 | GMC | K25 Suburban | ||
| 1968 | GMC | K25/K2500 Pickup | ||
| 1969 | GMC | K25/K2500 Pickup | ||
| 1973 | GMC | K25/K2500 Pickup | ||
| 1974 | GMC | K25/K2500 Pickup | ||
| 1968 | GMC | K35/K3500 Pickup | ||
| 1969 | GMC | K35/K3500 Pickup | ||
| 1973 | GMC | K35/K3500 Pickup | ||
| 1974 | GMC | K35/K3500 Pickup | ||
| 1987 | GMC | R2500 | ||
| 1988 | GMC | R2500 | ||
| 1989 | GMC | R2500 | ||
| 1987 | GMC | R2500 Suburban | ||
| 1988 | GMC | R2500 Suburban | ||
| 1989 | GMC | R2500 Suburban | ||
| 1990 | GMC | R2500 Suburban | ||
| 1987 | GMC | R3500 | ||
| 1988 | GMC | R3500 | ||
| 1989 | GMC | R3500 | ||
| 1990 | GMC | R3500 | ||
| 1971 | GMC | Sprint | ||
| 1972 | GMC | Sprint | ||
| 1973 | GMC | Sprint | ||
| 1974 | GMC | Sprint | ||
| 1975 | GMC | Sprint | ||
| 1987 | GMC | V3500 | ||
| 1988 | GMC | V3500 | ||
| 1989 | GMC | V3500 | ||
| 1990 | GMC | V3500 |
Shipping Information
We offer FREE shipping on all orders within Canada. Most orders ship within 1-2 business days.
Standard delivery typically takes 3-7 business days depending on your location.
Returns Policy
We accept returns within 30 days of purchase. Items must be in original condition with all packaging.
For returns or exchanges, please contact our customer service team.

