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Description
Mr. Gasket Rear Main Seal - Viton® - High Vacuum - 1971Overview: This Mr. Gasket Rear Main Seal is made from Viton Rubber. This style of rubber can handle high temperature like silicone rubber, but with superior abrasion resistance. It's durability and design make it recommended for applications that have high engine vacuum, like racing engines that utilize external vacuum pumps for crankcase evacuation. Features: Application: Year Make Model Submodel Engine Size 1968 1973 Chevrolet C20 Suburban 307 5 V8
Overview:
This Mr. Gasket Rear Main Seal is made from Viton® Rubber. This style of rubber can handle high temperature like silicone rubber, but with superior abrasion resistance. It's durability and design make it recommended for applications that have high engine vacuum, like racing engines that utilize external vacuum pumps for crankcase evacuation.
Features:
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1968 - 1973 | Chevrolet | C20 Suburban | 307/5 V8 | |
| 1969 - 1985 | Chevrolet | C20 Suburban | 350/5.7 V8 | |
| 1961 - 1967 | Chevrolet | C30 Pickup | 283/4.6 V8 | |
| 1968 - 1973 | Chevrolet | C30 Pickup | 307/5 V8 | |
| 1969 - 1974 | Chevrolet | C30 Pickup | 350/5.7 V8 | |
| 1967 - 1969 | Chevrolet | Camaro | 327/5.3 V8 | |
| 1968 - 1981 | Chevrolet | Camaro | 350/5.7 V8 | |
| 1968 - 1969 | Chevrolet | Camaro | 327/5.4 V8 | |
| 1969 - 1973 | Chevrolet | Camaro | 307/5 V8 | |
| 1966 - 1969 | Chevrolet | Caprice | 327/5.3 V8 | |
| 1966 - 1967 | Chevrolet | Caprice | 283/4.6 V8 | |
| 1968 - 1969 | Chevrolet | Caprice | 327/5.4 V8 | |
| 1968 | Chevrolet | Caprice | 307/5 V8 | |
| 1969 - 1985 | Chevrolet | Caprice | 350/5.7 V8 | |
| 1964 - 1968 | Chevrolet | Chevelle | 327/5.3 V8 | |
| 1965 - 1968 | Chevrolet | Chevelle | 327/5.4 V8 | |
| 1964 - 1967 | Chevrolet | Chevelle | 283/4.6 V8 | |
| 1968 - 1973 | Chevrolet | Chevelle | 307/5 V8 | |
| 1969 - 1973 | Chevrolet | Chevelle | 350/5.7 V8 | |
| 1963 - 1967 | Chevrolet | Chevy II | 283/4.6 V8 | |
| 1965 - 1968 | Chevrolet | Chevy II | 327/5.4 V8 | |
| 1965 - 1968 | Chevrolet | Chevy II | 327/5.3 V8 | |
| 1968 | Chevrolet | Chevy II | 350/5.7 V8 | |
| 1968 | Chevrolet | Chevy II | 307/5 V8 | |
| 1968 - 1973 | Chevrolet | C20 Pickup | 307/5 V8 | |
| 1969 - 1974 | Chevrolet | C20 Pickup | 350/5.7 V8 | |
| 1980 - 1985 | Chevrolet | G10 | 350/5.7 V8 | |
| 1977 - 1986 | Chevrolet | G10 | 305/5 V8 | |
| 1975 - 1976 | Chevrolet | G20 | 400/6.6 V8 | |
| 1980 - 1985 | Chevrolet | G20 | 350/5.7 V8 | |
| 1980 - 1986 | Chevrolet | G20 | 305/5 V8 | |
| 1975 - 1976 | Chevrolet | G30 | 400/6.6 V8 | |
| 1978 - 1985 | Chevrolet | G30 | 305/5 V8 | |
| 1980 - 1985 | Chevrolet | G30 | 350/5.7 V8 | |
| 1975 - 1976 | Chevrolet | Impala | 400/6.6 V8 | |
| 1977 - 1985 | Chevrolet | Impala | 305/5 V8 | |
| 1969 - 1985 | Chevrolet | Impala | 350/5.7 V8 | |
| 1980 - 1984 | Chevrolet | Impala | 229/3.8 V6 | |
| 1975 - 1976 | Chevrolet | K10 | 400/6.6 V8 | |
| 1977 - 1986 | Chevrolet | K10 | 305/5 V8 | |
| 1980 - 1985 | Chevrolet | K10 | 350/5.7 V8 | |
| 1981 | Chevrolet | K10 Suburban | ||
| 1969 - 1985 | Chevrolet | K10 Suburban | 350/5.7 V8 | |
| 1977 - 1986 | Chevrolet | K10 Suburban | 305/5 V8 | |
| 1975 - 1976 | Chevrolet | K10 Suburban | 400/6.6 V8 | |
| 1975 - 1976 | Chevrolet | K20 | 400/6.6 V8 | |
| 1977 - 1985 | Chevrolet | K20 | 305/5 V8 | |
| 1980 - 1985 | Chevrolet | K20 | 350/5.7 V8 | |
| 1969 - 1985 | Chevrolet | K20 Suburban | 350/5.7 V8 | |
| 1975 - 1976 | Chevrolet | K20 Suburban | 400/6.6 V8 | |
| 1977 - 1978 | Chevrolet | K20 Suburban | 305/5 V8 | |
| 1980 - 1985 | Chevrolet | K30 | 350/5.7 V8 | |
| 1978 | Buick | LeSabre | 305/5 V8 | |
| 1977 - 1980 | Buick | Regal | 305/5 V8 | |
| 1977 - 1979 | Buick | Skylark | 305/5 V8 | |
| 1975 | Chevrolet | Bel Air | 400/6.6 V8 | |
| 1975 - 1976 | Chevrolet | K5 Blazer | 400/6.6 V8 | |
| 1977 - 1986 | Chevrolet | K5 Blazer | 305/5 V8 | |
| 1980 - 1985 | Chevrolet | K5 Blazer | 350/5.7 V8 | |
| 1976 | Chevrolet | C10 | 400/6.6 V8 | |
| 1977 - 1986 | Chevrolet | C10 | 305/5 V8 | |
| 1980 - 1985 | Chevrolet | C10 | 350/5.7 V8 | |
| 1981 | Chevrolet | C10 Suburban | ||
| 1977 - 1986 | Chevrolet | C10 Suburban | 305/5 V8 | |
| 1969 - 1985 | Chevrolet | C10 Suburban | 350/5.7 V8 | |
| 1976 | Chevrolet | C20 | 400/6.6 V8 | |
| 1977 - 1986 | Chevrolet | C20 | 305/5 V8 | |
| 1980 - 1985 | Chevrolet | C20 | 350/5.7 V8 | |
| 1977 - 1986 | Chevrolet | C20 Suburban | 305/5 V8 | |
| 1976 | Chevrolet | C20 Suburban | 400/6.6 V8 | |
| 1976 | Chevrolet | C30 | 400/6.6 V8 | |
| 1978 | Chevrolet | C30 | 305/5 V8 | |
| 1980 - 1985 | Chevrolet | C30 | 350/5.7 V8 | |
| 1976 - 1986 | Chevrolet | Camaro | 305/5 V8 | |
| 1980 - 1981 | Chevrolet | Camaro | 229/3.8 V6 | |
| 1977 - 1986 | Chevrolet | Caprice | 305/5 V8 | |
| 1980 - 1984 | Chevrolet | Caprice | 229/3.8 V6 | |
| 1975 - 1976 | Chevrolet | Caprice | 400/6.6 V8 | |
| 1957 - 1986 | Chevrolet | Corvette | ||
| 1976 - 1986 | Chevrolet | El Camino | 305/5 V8 | |
| 1975 - 1976 | Chevrolet | El Camino | 400/6.6 V8 | |
| 1978 - 1979 | Chevrolet | El Camino | 200/3.3 V6 | |
| 1968 - 1973 | GMC | C25/C2500 Pickup | 307/5 V8 | |
| 1967 - 1968 | GMC | C25/C2500 Pickup | 327/5.3 V8 | |
| 1969 - 1974 | GMC | C25/C2500 Pickup | 350/5.7 V8 | |
| 1969 - 1974 | GMC | C15/C1500 Suburban | 350/5.7 V8 | |
| 1968 - 1973 | GMC | C15/C1500 Suburban | 307/5 V8 | |
| 1967 | GMC | C25/C2500 Pickup | 283/4.6 V8 | |
| 1968 - 1973 | GMC | C25/C2500 Suburban | 307/5 V8 | |
| 1967 - 1968 | GMC | C25/C2500 Suburban | 327/5.3 V8 | |
| 1975 - 1978 | GMC | K25 Suburban | 400/6.6 V8 | |
| 1975 - 1978 | GMC | K25 Suburban | 350/5.7 V8 | |
| 1977 - 1978 | GMC | K25 Suburban | 305/5 V8 | |
| 1979 | GMC | K2500 Suburban | 400/6.6 V8 | |
| 1979 - 1985 | GMC | K2500 Suburban | 350/5.7 V8 | |
| 1977 - 1978 | GMC | K35 | 400/6.6 V8 | |
| 1977 - 1978 | GMC | K35 | 350/5.7 V8 | |
| 1979 | GMC | K3500 | 400/6.6 V8 | |
| 1979 - 1985 | GMC | K3500 | 350/5.7 V8 | |
| 1974 - 1976 | GMC | Sprint | 400/6.6 V8 | |
| 1971 - 1977 | GMC | Sprint | 350/5.7 V8 | |
| 1976 - 1977 | GMC | Sprint | 305/5 V8 | |
| 1978 - 1980 | Oldsmobile | Cutlass | 305/5 V8 | |
| 1978 - 1980 | Oldsmobile | Cutlass Salon | 305/5 V8 | |
| 1978 - 1980 | Oldsmobile | Cutlass Calais | 305/5 V8 | |
| 1980 | Oldsmobile | Cutlass Cruiser | 305/5 V8 | |
| 1968 - 1973 | GMC | K25/K2500 Suburban | 307/5 V8 | |
| 1969 - 1974 | GMC | K25/K2500 Pickup | 350/5.7 V8 | |
| 1969 - 1974 | GMC | K25/K2500 Suburban | 350/5.7 V8 | |
| 1968 | GMC | K25/K2500 Suburban | 327/5.4 V8 | |
| 1968 - 1973 | GMC | K35/K3500 Pickup | 307/5 V8 | |
| 1968 | GMC | K35/K3500 Pickup | 327/5.3 V8 | |
| 1969 - 1974 | GMC | K35/K3500 Pickup | 350/5.7 V8 | |
| 1980 - 1984 | Chevrolet | El Camino | 229/3.8 V6 | |
| 1980 | Chevrolet | El Camino | 231/3.8 V6 | |
| 1965 | Chevrolet | Corvette | 327/5.3 V8 | |
| 1969 - 1974 | Chevrolet | Corvette | 350/5.7 V8 | |
| 1964 - 1967 | Chevrolet | El Camino | 283/4.6 V8 | |
| 1958 | Chevrolet | Del Ray | 283/4.6 V8 | |
| 1964 - 1965 | Chevrolet | El Camino | 327/5.3 V8 | |
| 1968 - 1973 | Chevrolet | El Camino | 307/5 V8 | |
| 1969 - 1974 | Chevrolet | El Camino | 350/5.7 V8 | |
| 1968 - 1973 | Chevrolet | G10 Van | 307/5 V8 | |
| 1970 - 1974 | Chevrolet | G10 Van | 350/5.7 V8 | |
| 1968 - 1969 | Chevrolet | G20 Van | 307/5 V8 | |
| 1970 - 1974 | Chevrolet | G20 Van | 350/5.7 V8 | |
| 1970 - 1974 | Chevrolet | G30 Van | 350/5.7 V8 | |
| 1962 - 1969 | Chevrolet | Impala | 327/5.3 V8 | |
| 1959 - 1967 | Chevrolet | Impala | 283/4.6 V8 | |
| 1964 - 1969 | Chevrolet | Impala | 327/5.4 V8 | |
| 1968 | Chevrolet | Impala | 307/5 V8 | |
| 1961 - 1967 | Chevrolet | K10 Pickup | 283/4.6 V8 | |
| 1968 - 1970 | Chevrolet | K10 Pickup | 307/5 V8 | |
| 1969 - 1974 | Chevrolet | K10 Pickup | 350/5.7 V8 | |
| 1968 - 1973 | GMC | K15/K1500 Suburban | 307/5 V8 | |
| 1968 - 1972 | GMC | K25/K2500 Pickup | 307/5 V8 | |
| 1969 - 1974 | GMC | K15/K1500 Suburban | 350/5.7 V8 | |
| 1967 - 1968 | GMC | K25/K2500 Pickup | 327/5.3 V8 | |
| 1967 | GMC | K25/K2500 Pickup | 283/4.6 V8 | |
| 1968 | GMC | K25/K2500 Suburban | 327/5.3 V8 | |
| 1968 - 1973 | Chevrolet | K10 Suburban | 307/5 V8 | |
| 1961 - 1967 | Chevrolet | K20 Pickup | 283/4.6 V8 | |
| 1968 - 1969 | Chevrolet | K20 Pickup | 307/5 V8 | |
| 1969 - 1974 | Chevrolet | K20 Pickup | 350/5.7 V8 | |
| 1979 - 1985 | GMC | C3500 | 350/5.7 V8 | |
| 1978 - 1985 | GMC | Caballero | 305/5 V8 | |
| 1978 - 1979 | GMC | Caballero | 350/5.7 V8 | |
| 1976 | GMC | G15 | 400/6.6 V8 | |
| 1975 - 1978 | GMC | G15 | 350/5.7 V8 | |
| 1977 - 1978 | GMC | G15 | 305/5 V8 | |
| 1979 - 1985 | GMC | G1500 | 350/5.7 V8 | |
| 1979 - 1985 | GMC | G1500 | 305/5 V8 | |
| 1979 | GMC | G1500 | 400/6.6 V8 | |
| 1975 - 1978 | GMC | G25 | 400/6.6 V8 | |
| 1975 - 1978 | GMC | G25 | 350/5.7 V8 | |
| 1979 | GMC | G2500 | 400/6.6 V8 | |
| 1979 - 1985 | GMC | G2500 | 350/5.7 V8 | |
| 1969 - 1974 | GMC | C25/C2500 Suburban | 350/5.7 V8 | |
| 1968 | GMC | C25/C2500 Suburban | 327/5.4 V8 | |
| 1967 | GMC | C35/C3500 Pickup | 283/4.6 V8 | |
| 1967 - 1968 | GMC | C35/C3500 Pickup | 327/5.3 V8 | |
| 1969 - 1974 | GMC | C35/C3500 Pickup | 350/5.7 V8 | |
| 1968 - 1973 | GMC | C35/C3500 Pickup | 307/5 V8 | |
| 1968 | GMC | C35/C3500 Pickup | 327/5.4 V8 | |
| 1967 | GMC | G15/G1500 Van | 283/4.6 V8 | |
| 1968 - 1973 | GMC | G15/G1500 Van | 307/5 V8 | |
| 1971 - 1974 | GMC | G15/G1500 Van | 350/5.7 V8 | |
| 1967 | GMC | G25/G2500 Van | 283/4.6 V8 | |
| 1968 - 1973 | GMC | G25/G2500 Van | 307/5 V8 | |
| 1967 | GMC | G15/G1500 Van | 327/5.4 V8 | |
| 1971 - 1974 | GMC | G35/G3500 Van | 350/5.7 V8 | |
| 1967 | GMC | G25/G2500 Van | 327/5.4 V8 | |
| 1970 - 1972 | GMC | Jimmy | 307/5 V8 | |
| 1970 - 1974 | GMC | G25/G2500 Van | 350/5.7 V8 | |
| 1970 - 1985 | GMC | Jimmy | 350/5.7 V8 | |
| 1967 | GMC | K15/K1500 Pickup | 283/4.6 V8 | |
| 1967 - 1968 | GMC | K15/K1500 Pickup | 327/5.3 V8 | |
| 1968 | GMC | K15/K1500 Pickup | 327/5.4 V8 | |
| 1968 - 1971 | GMC | K15/K1500 Pickup | 307/5 V8 | |
| 1967 - 1969 | GMC | K15/K1500 Pickup | 305/5 V6 | |
| 1969 - 1974 | GMC | K15/K1500 Pickup | 350/5.7 V8 | |
| 1968 | GMC | K15/K1500 Suburban | 327/5.4 V8 | |
| 1968 | GMC | K15/K1500 Suburban | 327/5.3 V8 | |
| 1969 | GMC | K15/K1500 Suburban | 305/5 V6 | |
| 1968 | GMC | K25/K2500 Pickup | 327/5.4 V8 | |
| 1976 - 1986 | Chevrolet | Monte Carlo | 305/5 V8 | |
| 1978 - 1979 | Chevrolet | Monte Carlo | 200/3.3 V6 | |
| 1980 - 1984 | Chevrolet | Monte Carlo | 229/3.8 V6 | |
| 1975 - 1976 | Chevrolet | Monte Carlo | 400/6.6 V8 | |
| 1976 - 1979 | Chevrolet | Monza | 305/5 V8 | |
| 1975 - 1976 | Chevrolet | Monza | 262/4.3 V8 | |
| 1975 | Chevrolet | Nova | 262/4.3 V8 | |
| 1976 - 1979 | Chevrolet | Nova | 305/5 V8 | |
| 1975 - 1978 | GMC | C15 | 350/5.7 V8 | |
| 1976 - 1978 | GMC | C15 | 400/6.6 V8 | |
| 1977 - 1978 | GMC | C15 | 305/5 V8 | |
| 1979 | GMC | C1500 | 400/6.6 V8 | |
| 1979 - 1985 | GMC | C1500 | 350/5.7 V8 | |
| 1979 - 1985 | GMC | C1500 | 305/5 V8 | |
| 1975 - 1978 | GMC | C15 Suburban | 350/5.7 V8 | |
| 1977 - 1978 | GMC | C15 Suburban | 305/5 V8 | |
| 1979 - 1985 | GMC | C1500 Suburban | 350/5.7 V8 | |
| 1979 - 1985 | GMC | C1500 Suburban | 305/5 V8 | |
| 1975 - 1978 | GMC | C25 | 350/5.7 V8 | |
| 1976 - 1978 | GMC | C25 | 400/6.6 V8 | |
| 1977 - 1978 | GMC | C25 | 305/5 V8 | |
| 1975 - 1976 | Chevrolet | Laguna | 400/6.6 V8 | |
| 1976 | Chevrolet | Laguna | 305/5 V8 | |
| 1975 - 1976 | Chevrolet | Malibu | 400/6.6 V8 | |
| 1976 - 1983 | Chevrolet | Malibu | 305/5 V8 | |
| 1978 - 1979 | Chevrolet | Malibu | 200/3.3 V6 | |
| 1973 - 1981 | Chevrolet | Malibu | 350/5.7 V8 | |
| 1980 - 1983 | Chevrolet | Malibu | 229/3.8 V6 | |
| 1968 - 1973 | Chevrolet | K20 Suburban | 307/5 V8 | |
| 1969 - 1974 | Chevrolet | K30 Pickup | 350/5.7 V8 | |
| 1968 - 1973 | Chevrolet | K30 Pickup | 307/5 V8 | |
| 1969 - 1972 | Chevrolet | Kingswood | 350/5.7 V8 | |
| 1973 - 1974 | Chevrolet | Laguna | 350/5.7 V8 | |
| 1964 - 1967 | Chevrolet | Malibu | 283/4.6 V8 | |
| 1964 - 1967 | Chevrolet | Malibu | 327/5.3 V8 | |
| 1973 | Chevrolet | Malibu | 307/5 V8 | |
| 1970 - 1974 | Chevrolet | Monte Carlo | 350/5.7 V8 | |
| 1969 - 1974 | Chevrolet | Nova | 350/5.7 V8 | |
| 1969 - 1973 | Chevrolet | Nova | 307/5 V8 | |
| 1961 - 1966 | Chevrolet | Suburban | 283/4.6 V8 | |
| 1969 - 1972 | Chevrolet | Townsman | 350/5.7 V8 | |
| 1957 | Chevrolet | One-Fifty Series | 265/4.3 V8 | |
| 1957 | Chevrolet | One-Fifty Series | 283/4.6 V8 | |
| 1957 | Chevrolet | Two-Ten Series | 265/4.3 V8 | |
| 1957 | Chevrolet | Two-Ten Series | 283/4.6 V8 | |
| 1967 - 1968 | GMC | C15/C1500 Pickup | 327/5.3 V8 | |
| 1968 | GMC | C15/C1500 Pickup | 327/5.4 V8 | |
| 1968 - 1973 | GMC | C15/C1500 Pickup | 307/5 V8 | |
| 1969 - 1974 | GMC | C15/C1500 Pickup | 350/5.7 V8 | |
| 1967 | GMC | C15/C1500 Pickup | 283/4.6 V8 | |
| 1967 - 1968 | GMC | C15/C1500 Suburban | 327/5.3 V8 | |
| 1968 | GMC | C15/C1500 Suburban | 327/5.4 V8 | |
| 1968 | GMC | C25/C2500 Pickup | 327/5.4 V8 | |
| 1979 - 1985 | GMC | C2500 | 350/5.7 V8 | |
| 1979 | GMC | C2500 | 400/6.6 V8 | |
| 1980 - 1985 | GMC | C2500 | 305/5 V8 | |
| 1975 - 1978 | GMC | C25 Suburban | 350/5.7 V8 | |
| 1977 - 1978 | GMC | C25 Suburban | 305/5 V8 | |
| 1978 | GMC | C25 Suburban | 400/6.6 V8 | |
| 1979 - 1985 | GMC | C2500 Suburban | 350/5.7 V8 | |
| 1982 - 1985 | GMC | C2500 Suburban | 305/5 V8 | |
| 1975 - 1978 | GMC | C35 | 350/5.7 V8 | |
| 1976 - 1978 | GMC | C35 | 400/6.6 V8 | |
| 1978 | GMC | C35 | 305/5 V8 | |
| 1979 | GMC | C3500 | 400/6.6 V8 | |
| 1978 - 1980 | Oldsmobile | Cutlass Supreme | 305/5 V8 | |
| 1977 - 1979 | Oldsmobile | Omega | 305/5 V8 | |
| 1977 - 1979 | Oldsmobile | Starfire | 305/5 V8 | |
| 1983 - 1985 | Pontiac | Bonneville | 305/5 V8 | |
| 1980 - 1985 | Pontiac | Firebird | 305/5 V8 | |
| 1980 | Pontiac | Grand Am | 305/5 V8 | |
| 1980 - 1985 | Pontiac | Grand Prix | 305/5 V8 | |
| 1980 | Pontiac | Grand LeMans | 305/5 V8 | |
| 1980 | Pontiac | LeMans | 305/5 V8 | |
| 1983 - 1985 | Pontiac | Parisienne | 305/5 V8 | |
| 1957 - 1967 | Chevrolet | Bel Air | 283/4.6 V8 | |
| 1957 | Chevrolet | Bel Air | 265/4.3 V8 | |
| 1962 - 1969 | Chevrolet | Bel Air | 327/5.3 V8 | |
| 1968 - 1969 | Chevrolet | Bel Air | 327/5.4 V8 | |
| 1968 | Chevrolet | Bel Air | 307/5 V8 | |
| 1969 - 1974 | Chevrolet | Bel Air | 350/5.7 V8 | |
| 1958 - 1967 | Chevrolet | Biscayne | 283/4.6 V8 | |
| 1962 - 1969 | Chevrolet | Biscayne | 327/5.3 V8 | |
| 1968 - 1969 | Chevrolet | Biscayne | 327/5.4 V8 | |
| 1968 | Chevrolet | Biscayne | 307/5 V8 | |
| 1969 - 1972 | Chevrolet | Biscayne | 350/5.7 V8 | |
| 1969 - 1974 | Chevrolet | Blazer | 350/5.7 V8 | |
| 1969 - 1973 | Chevrolet | Blazer | 307/5 V8 | |
| 1969 - 1972 | Chevrolet | Brookwood | 350/5.7 V8 | |
| 1961 - 1967 | Chevrolet | C10 Pickup | 283/4.6 V8 | |
| 1968 - 1973 | Chevrolet | C10 Pickup | 307/5 V8 | |
| 1969 - 1974 | Chevrolet | C10 Pickup | 350/5.7 V8 | |
| 1968 - 1973 | Chevrolet | C10 Suburban | 307/5 V8 | |
| 1961 - 1967 | Chevrolet | C20 Pickup | 283/4.6 V8 | |
| 1977 - 1980 | Buick | Century | 305/5 V8 | |
| 1968 | GMC | K35/K3500 Pickup | 327/5.4 V8 | |
| 1971 - 1973 | GMC | Sprint | 307/5 V8 | |
| 1957 - 1960 | Chevrolet | Truck | 283/4.6 V8 | |
| 1957 | Chevrolet | Truck | 265/4.3 V8 | |
| 1981 - 1985 | GMC | G2500 | 305/5 V8 | |
| 1975 - 1978 | GMC | G35 | 350/5.7 V8 | |
| 1975 - 1978 | GMC | G35 | 400/6.6 V8 | |
| 1979 | GMC | G3500 | 400/6.6 V8 | |
| 1979 - 1985 | GMC | G3500 | 350/5.7 V8 | |
| 1981 | GMC | G3500 | ||
| 1975 - 1979 | GMC | Jimmy | 400/6.6 V8 | |
| 1977 - 1985 | GMC | Jimmy | 305/5 V8 | |
| 1975 - 1978 | GMC | K15 | 350/5.7 V8 | |
| 1975 - 1978 | GMC | K15 | 400/6.6 V8 | |
| 1977 - 1978 | GMC | K15 | 305/5 V8 | |
| 1979 | GMC | K1500 | 400/6.6 V8 | |
| 1979 - 1985 | GMC | K1500 | 350/5.7 V8 | |
| 1981 - 1985 | GMC | K1500 | 305/5 V8 | |
| 1975 - 1978 | GMC | K15 Suburban | 400/6.6 V8 | |
| 1975 - 1978 | GMC | K15 Suburban | 350/5.7 V8 | |
| 1977 - 1978 | GMC | K15 Suburban | 305/5 V8 | |
| 1979 - 1985 | GMC | K1500 Suburban | 350/5.7 V8 | |
| 1979 - 1982 | GMC | K1500 Suburban | 305/5 V8 | |
| 1979 - 1980 | GMC | K1500 Suburban | 400/6.6 V8 | |
| 1981 | GMC | K1500 Suburban | ||
| 1975 - 1978 | GMC | K25 | 400/6.6 V8 | |
| 1975 - 1978 | GMC | K25 | 350/5.7 V8 | |
| 1977 - 1978 | GMC | K25 | 305/5 V8 | |
| 1979 - 1985 | GMC | K2500 | 350/5.7 V8 | |
| 1979 | GMC | K2500 | 400/6.6 V8 |
Specs:
| Brand | Mr. Gasket |
|---|---|
| Emission Code | 5 |
| Engine | Chevrolet Small Block Gen I |
| Material | Viton |
| Product Type | Rear Main Seal |
| Rear Main Seal Style | Two Piece |
| Warranty | Limited 90 Day |
| Weight | 0.1 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 220 reviews
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Product Reviews
★★★★★ 5
Absolutely amazing masks!!!
Scent: Collagen, Size: 4 Count (Pack of 1)
These masks are beyond amazing! I use one once a week and leave it on overnight after completing my p.m. skincare routine and wake up to smooth, plump, moisturized, and absolutely glowing!! I have extremely sensitive skin and eyes and these masks do not bother me at all. No burning in my eyes and no irritation of the skin. My deep wrinkles seem a lot less pronounced and some of my more fine lines almost disappear for 24 hours after using this mask. They are simple to use and adhere to the skin perfectly even after applying serums and moisturizers. Once the mask is completely absorbed and becomes clear it peels of the skin with ease. Based on the quality of these masks I am shocked by the low price, it is such a great value for your money. This Mask has become a staple in my skincare routine and I will continue to purchase these!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
★★★★★ 5
instantly more hydrated + glowy skin
Scent: Collagen, Size: 4 Count (Pack of 1), Scent: Collagen, Size: 4 Count (Pack of 1)
I love this mask. It’s one of those products you can actually see a difference with right after using it.
It really helps with:
1. Deep hydration – my skin feels plump and moisturized, not dry or tight
2. Smoother texture – it softens everything and makes my skin feel really smooth
3. Glow/brightness – gives that fresh, healthy glow without looking greasy
How I use it: I apply it on clean skin (usually at night), leave it on as directed, and let it fully absorb before removing. I like using it when my skin feels dull or dry and want a quick reset.
Overall, it’s super easy to use and makes my skin look more refreshed every time. Definitely a go-to for me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
★★★★★ 4
Woke Up Glowing ✨ (But Sleeping In It Is a Stretch lol)
Scent: Collagen, Size: 4 Count (Pack of 1)
I was honestly impressed with this mask! It feels super soft, cooling, and refreshing while wearing it. The jelly texture makes it feel really hydrating and luxe, like a mini spa night at home. My skin looked smooth, plump, and GLOWING the entire next day after I took it off. Like… noticeably radiant.
I also have sensitive skin, so I was a little nervous trying it at first, but I didn’t have any irritation or reaction at all. My skin felt calm, hydrated, and refreshed afterward.
One thing I actually liked was that the mask was easy to customize a little. I have a nose piercing, so I just tore a small piece near my nose so it would fit comfortably without irritating it. The material held up perfectly, so that was a nice bonus for anyone with piercings or who just needs a better fit in certain areas.
My only complaint is the “sleep in it” part of the instructions. I personally don’t see how that’s possible 😅 The mask stays pretty moist and jelly-like the whole time, so it felt uncomfortable to lay down in and I kept feeling like it would slide around. I ended up just wearing it for a while before bed instead.
Overall though, the results were worth it and I’d definitely use it again for the glow alone!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
★★★★★ 5
Nice mask! Caviar
Scent: PDRN, Size: 4 Count (Pack of 1), Scent: PDRN, Size: 4 Count (Pack of 1)
The first 3 pictures were taken after the first hour and a half. The second 3 pictures were taken at 2 hours. The mask had a hard time dissolving underneath my eyes and around my chin area mostly but everywhere else it hardened within the first hour or so. I will try to wear it for longer than 2 hours next time. To see if that changes, but my skin feels really nice right now. It's a little sticky, but it looks healthy and has a nice glow. Application is easy. I love that its separated into 2 parts.
Doesn't fit well around the nose between the eyes and doesn't cover my entire face but its a great mask. I tried the caviar one this time. I have the collagen ones as well but these have better reviews.
They seem to work effectively, for a nice glow and self pamper session.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
My Favorite Mask
Scent: Collagen, Size: 4 Count (Pack of 1)
I’ve been really impressed with this Bio-Collagen hydrogel mask! It feels incredibly cooling and soothing on the skin, especially after a long day.
The overnight wear is a huge plus—you wake up with your skin feeling noticeably more hydrated, plump, and smooth. It doesn’t feel heavy or sticky, and it stays in place better than most sheet masks.
After a few uses, I’ve noticed my skin looks more refreshed and even, and my pores appear a bit more minimized. It’s a great option when your skin needs a little extra boost or before an event when you want that “glow.”
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Reviewed in the United States on May 5, 2026
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