These grade 5 header bolt kits incorporate self-locking nuts to hold your exhaust system to your headers securely. Stover lock nuts also eliminate the possibility of losing the old style lock washers because they're not needed. Zinc plated bolts with cadmium plated nuts resist corrosion and are unaffected by high temperatures.
- Grade 5 Material
- Keep Old Style Lock Washers
- Zinc And Cadmium Plated
- Resist Corrosion
- Unaffected By High Temperatures
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 To Muffler Bolt Kits 3413: