Thick, molded rubber with steel carrier. Manufactured from high-density cork and rubber blend gasket material. A black latex rubber coating is applied to outside of gasket to help seal minor flange irregularities and eliminate the possibility of oil leakage. Creates a positive seal by controlled swelling of the gasket material when exposed to hot engine oil. Available in standard or extra thick to provide additional valve train to cover clearance. For OE replacement, high performance street, drag race and oval track.
- 1/8 in. Thick
- Fits Sonnys BBC Hemis
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
About Mr. Gasket
Now an important part of Holley Performance, Mr. Gasket continues to expand application coverage with more and more new products for race cars and muscle cars alike. Beyond the gaskets that made the Mr. Gasket brand what it is today is an endless variety of high-performance parts, including carburetor and fuel system components, chrome-plated accessories to dress up your engine bay, fuel additives, shifter accessories, cooling-system accessories, specialty tools, and a wide array of heavy-duty suspension and driveline components.
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Mr. Gasket Valve Cover Gasket Set 286S: