Mr. Gasket
Performance Valve Cover Gaskets .312 Inch Thick Fits 1965-2000 Chevrolet 396-454 Mark IV/V/VI Big Block Mr Gasket
SKU: M00S 182
Description
Part #: 182
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 BlockThis Gasket Has A Cork Rubber BlendProvides Excellent Sealing And DurabilityExtra Thick For The Hard To Seal ApplicationsDetails:Engine: Big Block ChevyColor: TanEmission Code: 5Valve Cover Gasket Material: PerformanceValve Cover Gasket Thickness: 0.312Warranty: Manufacturer's Limited 90 Day Warranty
Features:
- This Gasket Has A Cork Rubber Blend
- Provides Excellent Sealing And Durability
- Extra Thick For The Hard To Seal Applications
Fits 1965-2000 Chevrolet 396-454 Mark IV/V/VI Big Block
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Mr. Gasket |
| Part Number | M00S 182 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy