Extra thick 0.120 inch ultra quality washers are parallel ground, heat- treated and chamfered. There washers, made of 4130 chrome moly steel can be used with both studs and bolts. The chamfered side goes up to clear the under head radius of head and main bolts, or reversed for use with studs. Torque accuracy is much improved by providing a smooth, flat bearing surface and clamping forces are more evenly spread for ultimate sealing. Perfect for aluminum heads. Black plated finish. 34 pieces per kit.
- Ensures Equal Readings
- Reduces Damaging Bosses
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 Head Bolt Washers 87A: