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Exhaust› Headers, Manifolds and Components

Mr. Gasket

Header Bolts 3/8-16 x 3/4 Inch Hex Head Set of 12 Fits AMC 290-401, Chevrolet Small Block 262-400, Chrysler 383-440 except Hemi, Pontiac 326-455, Oldsmobile 330-455 Mr Gasket

$15.84 $14.64 Save $1.20

SKU: M00S 915

In Stock
In Stock
Ships by Aug 2
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

Part #: 915

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 hex head that is ideal for use where space is minimal - your typical header flanges.Sold as a set of 12.Has A Black Oxide CoatingMade Of High Quality Grade 8 InchSteelHas A Hex Head With FlangeDesigned For Minimal Clearance Applications12 per PackageHex Head w/ 7/16 Inch Wrench SizeDetails:Color: BlackEmission Code: 5Finish: Black OxideHead Style: HexMaterial: SteelSize: 3/8-16 x 3/4Warranty: Manufacturer's Limited 1 Year Warranty

Features:

  • Has A Black Oxide Coating
  • Made Of High Quality Grade 8 Steel
  • Has A Hex Head With Flange
  • Designed For Minimal Clearance Applications
  • 12 per Package
  • Grade-5
  • Hex Head w/ 7/16" Wrench Size

Fits AMC 290-401, Chevrolet Small Block 262-400, Chrysler 383-440 except Hemi, Pontiac 326-455, Oldsmobile 330-455

MIA's Description

The Mr. Gasket Header Bolts are a set of 12 Grade 5 bolts designed for installing headers. They feature a black oxide coating for durability and a compact hex head, ideal for tight spaces around header flanges. These steel bolts have a 3/8-16 x 3/4 inch size and a hex head with a 7/16 inch wrench size.

Fitment

Fitment Guaranteed

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Specifications

BrandMr. Gasket
Part NumberM00S 915

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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