Mr. Gasket 917 Header Bolts, 3/8″-16 x 1″


  • Designed for Minimal Clearance Applications
  • Hex Head With Flange
  • Quick and Easy Installation
  • Package of 12

Mr. Gasket 917 Header Bolts

These are high quality bolts that are proven performers. These bolts look good on all applications and they have a black oxide coating that resists rust.


  • AMC 290-401
  • Chevy Small Block 262-400
  • Chrysler Big Block 383-440 (Does not Fit 426 Hemi)
  • Pontiac 326-455
  • Oldsmobile 330-455


  • Black Oxide Coating
  • High Quality Grade 8 Steel
  • Hex Head With Flange
  • Designed For Minimal Clearance Applications
  • 12 per Package
Weight 0.7 lbs
Dimensions 1.5 × 5.6 × 3.7 in



Manufacturer Part Number


Mr. Gasket 917 Black Oxide Header Bolts

3/8″-16 x 1″

Our header bolt are designed for quick and easy installation.

Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to