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Mr. Gasket

Mr. Gasket Header Stud Kit

Fits AMC 290-401, Chevrolet 262-400 Small Block, Chrysler 383-440 B/RB Big Block except 426 Hemi, Pontiac 326-455 & Oldsmobile 330-455

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Black Oxide Coated Studs & Cadmium Plated Nuts


  • (12) Pieces 3/8"-16 x 1.5" Studs & Nuts

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
Product TypeHeader Bolts
WarrantyLimited 90 Day Warranty
Part Number6312

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

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    *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.