Fits 1965-2000 Chevrolet 396-454 Mark IV/V/VI Big Block
Mr. Gasket Performance Valve Cover Gaskets are high-density cork/rubber blend gaskets that use evenly sized cork particles distributed evenly throughout the rubber binder. The result is a compressible valve cover gasket without leak paths. These gaskets create a positive seal by controlled swelling of the gasket material when exposed to hot engine oil. Provides excellent flange sealing and durability. For original equipment replacement, high performance street, drag race and oval track use.

These gaskets are .312 inch thick. That's substantially thicker than stock which can allow for additional valve train clearance.

Fits Chevrolet 396,402,427,454,502 Gen IV, Gen V and Gen VI Big Block.
  • This Gasket Has A Cork Rubber Blend
  • Provides Excellent Sealing And Durability
  • Extra Thick For The Hard To Seal Applications

Information:

Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations

Application Summary:

Year Make/Model
1963 Chevrolet Bel Air
1966-1975 Chevrolet Bel Air
1963 Chevrolet Biscayne
1966-1969 Chevrolet Biscayne
1971-1972 Chevrolet Biscayne
1973 Chevrolet Blazer
1972 Chevrolet Brookwood
1975-1980 Chevrolet C10
1968-1969 Chevrolet C10 Pickup
1973-1974 Chevrolet C10 Pickup
1968-1969 Chevrolet C10 Suburban
1973-1980 Chevrolet C10 Suburban
1990 Chevrolet C1500
1975-1986 Chevrolet C20
1968-1969 Chevrolet C20 Pickup
1973-1974 Chevrolet C20 Pickup
1968-1969 Chevrolet C20 Suburban
1973-1986 Chevrolet C20 Suburban
1975-1986 Chevrolet C30
1968-1969 Chevrolet C30 Pickup
1973-1974 Chevrolet C30 Pickup
1988-1990 Chevrolet C3500
1968-1972 Chevrolet Camaro
1966-1976 Chevrolet Caprice
1968-1973 Chevrolet Chevelle
1968 Chevrolet Chevy II
1966-1974 Chevrolet Corvette
1969-1975 Chevrolet El Camino
1976 Chevrolet G20
1973-1974 Chevrolet G20 Van
1975-1976 Chevrolet G30
1988-1990 Chevrolet G30
1973-1974 Chevrolet G30 Van
1963 Chevrolet Impala
1966-1976 Chevrolet Impala
1976 Chevrolet K10
1979-1980 Chevrolet K10
1968-1969 Chevrolet K10 Pickup
1974 Chevrolet K10 Pickup
1968-1969 Chevrolet K10 Suburban
1976-1978 Chevrolet K20
1980 Chevrolet K20
1968-1969 Chevrolet K20 Pickup
1973-1974 Chevrolet K20 Pickup
1977 Chevrolet K30
1980-1986 Chevrolet K30
1968-1969 Chevrolet K30 Pickup
1973-1974 Chevrolet K30 Pickup
1988-1990 Chevrolet K3500
1976-1978 Chevrolet K5 Blazer
1970-1972 Chevrolet Kingswood
1973-1975 Chevrolet Laguna
1973-1975 Chevrolet Malibu
1970-1975 Chevrolet Monte Carlo
1969-1970 Chevrolet Nova
1987-1988 Chevrolet R20
1987-1988 Chevrolet R20 Suburban
1989 Chevrolet R2500
1989-1990 Chevrolet R2500 Suburban
1987-1988 Chevrolet R30
1989-1990 Chevrolet R3500
1970 Chevrolet Townsman
1972 Chevrolet Townsman
1987-1988 Chevrolet V30
1989-1990 Chevrolet V3500
1975-1978 GMC C15
1975-1978 GMC C15 Suburban
1968-1969 GMC C15/C1500 Pickup
1973-1974 GMC C15/C1500 Pickup
1969 GMC C15/C1500 Suburban
1973-1974 GMC C15/C1500 Suburban
Attributes
ASIN B000BWE3UA
Application Big Block Chevy
Brand Mr. Gasket
California Proposition 65 No
Category Gaskets, Engine
Category Filter Gaskets
Clearance Category Gaskets
Color Tan
Country of Origin (Primary) US
Emission Code 5
Engine Chevrolet Big Block Mark IV, Chevrolet Big Block Gen V/VI
Engine Make/Size Chevrolet Big Block Gen V/VI, Chevrolet Big Block Mark IV
GTIN 00084041001820
Harmonized Tariff Code (Schedule B) 8409915085
Hazardous Material Code N
Item Weight 0.700 lbs.
Life Cycle Status Code Available to Order
Material Performance
NAFTA Preference Criterion Code B
Package Type Retail - Skin Pack
Packaging Retail - Skin Pack
Product Type Valve Cover Gaskets
SDR Required Flag N
Sale Category Engine
Valve Cover Gasket Material Performance
Valve Cover Gasket Thickness 0.312 in., .312"
Warning California Proposition 65
Warranty Limited 90 Day Warranty
Weight 0.7, 0.7000

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