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Vehicle Info NeededMR GASKETPART NUMBER: 720-179
Valve Cover Gaskets
$4076$45.29You Save$4.53
Ships on Sep 02, 2026
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Chevy - Small Block
Valve Cover Gaskets1955-1985 Chevy Small Block Gen. I 262-400 Material: Cork Gasket Thickness: 0.312" 2.Pkg.
These gaskets are .312 inch thick. That's substantially thicker than stock which can allow for additional valve train clearance.
Fits Chevrolet 262,265,267,283,307,327,350,400 Gen I Small Block with Perimeter Bolt Valve Covers.
MR GASKET 179 Features:
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 262,265,267,283,307,327,350,400 Gen I Small Block with Perimeter Bolt Valve Covers.
- Provides Excellent Flange Sealing And Durability
- For High-Performance Street, Drag Race & Oval Track Use
Part TypeValve Cover Gasket
BrandMR GASKET
Package Height1.0
Package Width6.0
Package Length23.0
Weight0.43 PG
Part CategoryPerformance Parts
MaterialCork
Part FitmentDirect Fit
Vendor Part Number179
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
