ARP Chrome Moly Header Bolt Kits Extractor Ford Holden Chev Universal # 100-1210
Header Bolts, 12-Point, 5/16 in. Wrench, Custom 450, Black Oxide, 3/8 in.-16, 1.000 in. U.H.L., Set of 16
Fastener Style
Bolt
Thread Size
3/8-16 in.
Head Style
12-point
Underhead Length (in)
1.000 in.
Underhead Length (mm)
25.00mm
Fastener Material
Steel
Fastener Finish
Black oxide
Quantity
Sold as a set of 16.
Notes
3/8 in. wrench head size.
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.