Free shipping on orders over $100 - Details
Mr. Gasket

Mr. Gasket Header Bolts - 3/8-16 x 3/4 Inch Hex Head - Black Oxide - 100 Pieces

3/8-16 X 3/4 Inch, 100 Pieces, Grade-5, Hex Head, 7/16 Inch Wrench Size.

Part # 915A Be the first to write a review
Estimated shipping date: 11/15/2021
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Designed for quick, easy installation of headers and heat-treated for extra strength. The special washer faced, smaller-than-standard hex head is for tight spaces.


  • Master Pack of 100 pieces
  • Grade-5
  • Hex Head w/ 7/16" Wrench Size

About Mr. Gasket

Using his own '57 Chevy as a rolling testbed, drag racer Joe Hrudka launched the most famous gasket company in the world more than half a century ago. Mr. Gasket is the go-to gasket source for racers with gaskets and fasteners that seal perfectly every time.

Brand Mr. Gasket
Emission Code5
FinishBlack Oxide
Head StyleHex
Product TypeHeader Bolts
Size3/8-16 x 3/4
WarrantyLimited 90 Day Warranty
Part Number915A

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.

Limited 90 Day Warranty: See Details

    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.