ARP manufactures a variety of header bolts to facilitate the installation of your headers. Rated at 170,000 psi, they're much stronger than stock and will last under even the most severe conditions. Each kit includes the specific number of parts required for the desired application, plus premium-quality washers and either hex or 12-point heads.
- Fastener Style: Bolt
- Thread Size: 3/8-16"
- Head Style: Hex
- Underhead Length: 0.750"
- Fastener Material: Chromemoly
- Fastener Finish: Black Oxide
- Quantity: Sold as a set of 16.
- 3/8 in. wrench head size.
Fits Big Block Chevy, Ford V8 using 3/8-16" thread