Mr. Gasket Header Bolts - 3/8"-16 x 1" 100 Pieces

Fits AMC 290-401, Chevy Small & Big Block 262-454, Chrysler 383-440 except Hemi, Ford 289-351W, Oldsmobile 330-455, Pontiac 326-455

PART# 917A

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When installing headers you will need header bolts, factory exhaust manifold bolts won't work. These Mr. Gasket Header Bolts are Grade 5 for strength, black oxide coated, and have a compact 7/16" hex head that is ideal for use where space is minimal - your typical header flanges. This 100 piece count set is designed for shops, but its also handy if you have several cars with headers or just want to have a stock on hand. Fits: AMC 290-401 Chevrolet Small Block 262-400 Chevrolet Big Block 396-454 Chrysler 383-440 except Hemi Ford 221-351W Oldsmobile 330-455 Pontiac 326-455


  • 100 Pieces - Bulk Package


BrandMr. Gasket
Emission Code5
FinishBlack Oxide
Product TypeHeader Bolts
WarrantyLimited 90 Day Warranty
Part Number917A


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.

Warranty Information

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.