Mr. Gasket
Headlock Locking Header Bolts 3/8-16 x 3/4 Inch Set of 12 Fits AMC 290-401. Chevrolet Small Block 262-400, Chrysler Big Block 383-440 Wedge Engines, Pontiac 326-455, and Oldsmobile 330-455 Mr Gasket
SKU: M00S 2230G
Description
Part #: 2230G
Headlock Bolts eliminate the need for lock washers, Period. That's because each Headlock Bolt features 24 equally-spaced, stainless steel teeth serrations that bite into and hold onto the attaching surface-eliminating the need for lock-washers.12 per PackageIncludes a ball-head/hex-key socket-installation tool that makes it easy to get them started410 stainless steelMinimum 18 Inch,000 PSI tensile strength24 equally spaced clockwise teethDetails:Emission Code: 5Finish: PolishedMaterial: 410 stainless steelSize: 3/8-16 x 3/4Warranty: Manufacturer's Limited 90 Day Warranty
Features:
- 12 per Package
- Includes a ball-head/hex-key socket-installation tool that makes it easy to get them started
- 410 stainless steel
- Minimum 180,000 PSI tensile strength
- 24 equally spaced clockwise teeth
Fits AMC 290-401. Chevrolet Small Block 262-400, Chrysler Big Block 383-440 Wedge Engines, Pontiac 326-455, and Oldsmobile 330-455
Fitment
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Specifications
| Brand | Mr. Gasket |
| Part Number | M00S 2230G |
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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