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Mr. Gasket Ultra-Seal Valve Cover Gaskets, .312 Inch Thick 5863

Mr. Gasket Ultra-Seal Valve Cover Gaskets, .312 Inch Thick 5863
$64.99 ea
NEWARRIVING SOONEstimated Ship Date 12/10/2024 (If Ordered Today)100 Available from HOLLEY PERFORMANCE PRODUCTS as of 11/22/2024
Model: 4011825
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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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

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
Chevrolet Bel Air Base 1965 6.5L / 396 / V8
Chevrolet Bel Air Base 1966 7.0L / 427 / V8
6.5L / 396 / V8
Chevrolet Bel Air Base 1967 7.0L / 427 / V8
6.5L / 396 / V8
Chevrolet Bel Air Base 1968 7.0L / 427 / V8
6.5L / 396 / V8
Chevrolet Bel Air Base 1969 7.0L / 427 / V8
6.5L / 396 / V8
Chevrolet Bel Air Base 1970 7.4L / 454 / V8
6.6L / 402 / V8
Chevrolet Bel Air Base 1971 7.4L / 454 / V8
6.6L / 402 / V8
Chevrolet Bel Air Base 1972 7.4L / 454 / V8
6.6L / 402 / V8
Chevrolet Bel Air Base 1973 7.4L / 454 / V8
Chevrolet Bel Air Base 1974 7.4L / 454 / V8
Chevrolet Bel Air Base 1975 7.4L / 454 / V8
Chevrolet Biscayne Base 1965 6.5L / 396 / V8
Chevrolet Biscayne Base 1966 7.0L / 427 / V8
6.5L / 396 / V8
Chevrolet Biscayne Base 1967 7.0L / 427 / V8
6.5L / 396 / V8
Chevrolet Biscayne Base 1968 7.0L / 427 / V8
6.5L / 396 / V8
Chevrolet Biscayne Base 1969 7.0L / 427 / V8
6.5L / 396 / V8
Chevrolet Biscayne Base 1970 7.4L / 454 / V8
6.6L / 402 / V8
Chevrolet Biscayne Base 1971 7.4L / 454 / V8
6.6L / 402 / V8
Chevrolet Biscayne Base 1972 7.4L / 454 / V8
6.6L / 402 / V8
Chevrolet Brookwood Base 1969 6.5L / 396 / V8
7.0L / 427 / V8
Chevrolet Brookwood Base 1970 6.6L / 402 / V8
7.4L / 454 / V8
Chevrolet Brookwood Base 1971 6.6L / 402 / V8
7.4L / 454 / V8
Chevrolet Brookwood Base 1972 6.6L / 402 / V8
7.4L / 454 / V8
Chevrolet Caprice Base 1966 6.5L / 396 / V8
7.0L / 427 / V8
Chevrolet Caprice Base 1967 6.5L / 396 / V8
7.0L / 427 / V8
Chevrolet Caprice Base 1968 6.5L / 396 / V8
7.0L / 427 / V8
Chevrolet Caprice Base 1969 6.5L / 396 / V8
7.0L / 427 / V8
Chevrolet Caprice Base 1970 7.4L / 454 / V8
6.6L / 402 / V8
Chevrolet Caprice Base 1971 7.4L / 454 / V8
6.6L / 402 / V8
Chevrolet Caprice Base 1972 7.4L / 454 / V8
6.6L / 402 / V8
Chevrolet Caprice Classic Estate 1976 7.4L / 454 / V8
Chevrolet Caprice Classic Landau 1976 7.4L / 454 / V8
Chevrolet Caprice Classic Sport 1975 7.4L / 454 / V8
Chevrolet Caprice Classic Sport 1976 7.4L / 454 / V8
Chevrolet Caprice Classic 1973 7.4L / 454 / V8
Chevrolet Caprice Classic 1974 7.4L / 454 / V8
Chevrolet Caprice Classic 1975 7.4L / 454 / V8
Chevrolet Caprice Classic 1976 7.4L / 454 / V8
Chevrolet Caprice Estate Wagon 1975 7.4L / 454 / V8
Chevrolet Caprice Estate 1973 7.4L / 454 / V8
Chevrolet Caprice Estate 1974 7.4L / 454 / V8
Chevrolet Estate Base 1969 7.0L / 427 / V8
6.5L / 396 / V8
Chevrolet Estate Base 1970 7.4L / 454 / V8
6.6L / 402 / V8
Chevrolet Impala Base 1965 6.5L / 396 / V8
Chevrolet Impala Base 1966 7.0L / 427 / V8
6.5L / 396 / V8
Chevrolet Impala Base 1967 7.0L / 427 / V8
6.5L / 396 / V8
Chevrolet Impala Base 1968 7.0L / 427 / V8
6.5L / 396 / V8
Chevrolet Impala Base 1969 7.0L / 427 / V8
6.5L / 396 / V8
Chevrolet Impala Base 1970 7.4L / 454 / V8
6.6L / 402 / V8
Chevrolet Impala Base 1971 7.4L / 454 / V8
6.6L / 402 / V8
Chevrolet Impala Base 1972 7.4L / 454 / V8
6.6L / 402 / V8
Chevrolet Impala Base 1973 7.4L / 454 / V8
Chevrolet Impala Base 1974 7.4L / 454 / V8
Chevrolet Impala Base 1975 7.4L / 454 / V8
Chevrolet Impala Base 1976 7.4L / 454 / V8
Chevrolet Impala Custom Landau 1976 7.4L / 454 / V8
Chevrolet Impala Custom 1975 7.4L / 454 / V8
Chevrolet Impala Custom 1976 7.4L / 454 / V8
Chevrolet Impala SS 1965 6.5L / 396 / V8
Chevrolet Impala SS 1966 6.5L / 396 / V8
7.0L / 427 / V8
Chevrolet Impala SS 1967 6.5L / 396 / V8
7.0L / 427 / V8
Chevrolet Impala S 1976 7.4L / 454 / V8
Chevrolet Impala Sport 1975 7.4L / 454 / V8
Chevrolet Impala Sport 1976 7.4L / 454 / V8
Chevrolet Townsman Base 1969 7.0L / 427 / V8
6.5L / 396 / V8
Chevrolet Townsman Base 1970 6.6L / 402 / V8
7.4L / 454 / V8
Chevrolet Townsman Base 1971 6.6L / 402 / V8
7.4L / 454 / V8
Chevrolet Townsman Base 1972 6.6L / 402 / V8
7.4L / 454 / V8

Specifications:

Application Big Block Chevy
Color Black
Emission Code 5
Engine Chevrolet Big Block Mark IV, Chevrolet Big Block Gen V/VI
Finish Rubber Coated
Packaging Retail - Skin Pack
Part Type Engine Valve Cover Gasket Set
Product Type Valve Cover Accessories
Valve Cover Gasket Material Ultra Seal
Valve Cover Gasket Thickness .312"
Warranty Limited 90 Day Warranty TX, Limited 90 Day Warranty
Weight 0.5000

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