Available in hex head or socket head designs. The hex head is designed for easy installation of headers and heat-treated for extra strength. The special washer faced, smaller-than-standard hex head is ideal for tight spaces. Or save time, work and solve the impossible tightening problems of some header installations with socket head bolts. They help to eliminate improper gasket seal. Various sizes available in each type of bolt.
- Has A Black Oxide Coating
- Made Of High Quality Grade 8 Steel
- Have A Hex Head With Flange
- Designed For Minimal Clearance Applications
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 Header Bolt Set 917: