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Mr. Gasket Rear Main Seal, Viton®, High Vacuum 1971

Mr. Gasket Rear Main Seal, Viton®, High Vacuum 1971
$73.99 ea
NEWARRIVING SOONEstimated Ship Date 12/10/2024 (If Ordered Today)53 Available from HOLLEY PERFORMANCE PRODUCTS as of 11/20/2024
Model: 4010923
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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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:
  • Repairs That Leaky Rear Main Sail
  • Viton® Rubber Offers Both Abrasion Resistance & High Temperature Tolerance
  • Upgrade for Rope Seal Equipped Cars or Silicone Rubber Main Seals

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years Engine Fitment Notes
Chevrolet Bel Air Base 1959 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Bel Air Base 1960 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Bel Air Base 1961 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Bel Air Base 1962 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Bel Air Base 1963 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Bel Air Base 1964 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Bel Air Base 1965 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Bel Air Base 1966 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Bel Air Base 1967 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Bel Air Base 1968 5.0L / 307 / V8
5.4L / 327 / V8		 Recommended for use with external vacuum pump.
Chevrolet Bel Air Base 1969 5.7L / 350 / V8
5.4L / 327 / V8		 Recommended for use with external vacuum pump.
Chevrolet Bel Air Base 1970 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Bel Air Base 1971 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Bel Air Base 1972 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Bel Air Base 1973 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Bel Air Base 1974 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Bel Air Base 1975 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Bel Air Base 1981 4.4L / 267 / V8
5.0L / 305 / V8		 Recommended for use with external vacuum pump.
Chevrolet Biscayne Base 1959 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Biscayne Base 1960 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Biscayne Base 1961 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Biscayne Base 1962 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Biscayne Base 1963 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Biscayne Base 1964 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Biscayne Base 1965 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Biscayne Base 1966 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Biscayne Base 1967 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Biscayne Base 1968 5.0L / 307 / V8
5.4L / 327 / V8		 Recommended for use with external vacuum pump.
Chevrolet Biscayne Base 1969 5.4L / 327 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Biscayne Base 1970 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Biscayne Base 1971 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Biscayne Base 1972 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Biscayne Fleetmaster 1960 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Brookwood Base 1959 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Brookwood Base 1960 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Brookwood Base 1961 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Brookwood Base 1969 5.0L / 307 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Brookwood Base 1970 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Brookwood Base 1971 5.0L / 307 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Brookwood Base 1972 5.0L / 307 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Base 1966 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Caprice Base 1967 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Caprice Base 1968 5.4L / 327 / V8
5.0L / 307 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Base 1969 5.4L / 327 / V8
5.0L / 307 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Base 1970 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Caprice Base 1971 5.0L / 307 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Base 1972 5.0L / 307 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Base 1980 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Caprice Base 1981 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Caprice Base 1982 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic Estate 1977 5.7L / 350 / V8
5.0L / 305 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic Estate 1978 5.7L / 350 / V8
5.0L / 305 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic Estate 1981 5.7L / 350 / V8
5.0L / 305 / V8
4.4L / 267 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic Estate 1982 5.7L / 350 / V8
5.0L / 305 / V8
4.4L / 267 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic Landau 1976 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic Landau 1977 5.7L / 350 / V8
5.0L / 305 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic Landau 1978 5.7L / 350 / V8
5.0L / 305 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic Landau 1979 5.7L / 350 / V8
5.0L / 305 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic Landau 1980 5.7L / 350 / V8
4.4L / 267 / V8
5.0L / 305 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic Landau 1981 5.7L / 350 / V8
4.4L / 267 / V8
5.0L / 305 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic Sport 1975 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic Sport 1976 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic Sport 1979 5.0L / 305 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic Sport 1980 4.4L / 267 / V8
5.0L / 305 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic 1973 5.0L / 307 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic 1974 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic 1975 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic 1976 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic 1977 5.0L / 305 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic 1978 5.0L / 305 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic 1979 5.0L / 305 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic 1980 5.0L / 305 / V8
5.7L / 350 / V8
4.4L / 267 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic 1981 5.0L / 305 / V8
5.7L / 350 / V8
4.4L / 267 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic 1982 5.0L / 305 / V8
5.7L / 350 / V8
4.4L / 267 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic 1983 5.0L / 305 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic 1984 5.0L / 305 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Classic 1985 5.0L / 305 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Estate 1973 5.0L / 307 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Caprice Estate 1974 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Caprice Landau 1979 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Estate Base 1969 5.7L / 350 / V8
5.0L / 307 / V8		 Recommended for use with external vacuum pump.
Chevrolet Estate Base 1970 5.7L / 350 / V8
5.0L / 307 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1959 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1960 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1961 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1962 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1963 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1964 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1965 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1966 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1967 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1968 5.0L / 307 / V8
5.4L / 327 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1969 5.0L / 307 / V8
5.4L / 327 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1970 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1971 5.0L / 307 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1972 5.0L / 307 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1973 5.0L / 307 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1974 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1975 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1976 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1977 5.7L / 350 / V8
5.0L / 305 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1978 5.7L / 350 / V8
5.0L / 305 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1979 5.7L / 350 / V8
5.0L / 305 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1980 5.7L / 350 / V8
5.0L / 305 / V8
4.4L / 267 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1981 5.7L / 350 / V8
5.0L / 305 / V8
4.4L / 267 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1982 5.7L / 350 / V8
5.0L / 305 / V8
4.4L / 267 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1983 5.7L / 350 / V8
5.0L / 305 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1984 5.7L / 350 / V8
5.0L / 305 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Base 1985 5.7L / 350 / V8
5.0L / 305 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Custom Landau 1976 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala Custom 1975 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala Custom 1976 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala Custom 1977 5.7L / 350 / V8
5.0L / 305 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Estate 1981 4.4L / 267 / V8
5.0L / 305 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Estate 1982 4.4L / 267 / V8
5.0L / 305 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Landau 1977 5.7L / 350 / V8
5.0L / 305 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Landau 1978 5.7L / 350 / V8
5.0L / 305 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Landau 1979 5.7L / 350 / V8
5.0L / 305 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala SS 1964 5.4L / 327 / V8
4.6L / 283 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala SS 1965 5.4L / 327 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala SS 1966 5.4L / 327 / V8
4.6L / 283 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala SS 1967 5.4L / 327 / V8
4.6L / 283 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala S 1976 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala Sport 1975 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala Sport 1976 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Impala Sport 1979 5.0L / 305 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Impala Sport 1980 4.4L / 267 / V8
5.0L / 305 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Nomad Base 1959 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Nomad Base 1960 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Nomad Base 1961 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Parkwood Base 1959 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Parkwood Base 1960 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Parkwood Base 1961 4.6L / 283 / V8 Recommended for use with external vacuum pump.
Chevrolet Townsman Base 1969 5.0L / 307 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Townsman Base 1970 5.7L / 350 / V8 Recommended for use with external vacuum pump.
Chevrolet Townsman Base 1971 5.0L / 307 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.
Chevrolet Townsman Base 1972 5.0L / 307 / V8
5.7L / 350 / V8		 Recommended for use with external vacuum pump.

Specifications:

Emission Code 5
Engine Chevrolet Small Block Gen I
Material Viton
Part Type Engine Main Bearing Gasket Set
Product Type Rear Main Seal
Rear Main Seal Style Two Piece
Warranty Limited 90 Day
Weight 0.1000

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