ARP 400-1210 Header Bolts 1.000 in UHL 3/8-16 in Thread Universal 12-Point

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: Stainless steel

Fastener Finish: Polished

Quantity: Sold as a set of 16.

Notes: 5/16 in. wrench head size.

ARP stainless steel header bolts are 15 percent stronger than Grade 8 steel. These 12-point bolts have a compact head that will allow a socket to fit into those tight, tricky spaces next to the headers. These bolts are both highly corrosion-resistant and heat-resistant. They have a polished finish and come in 12-point and hex-style heads. Washers are included.

Effective 08/01/2018 – We will not accept or ship ANY order to the state of California due to Proposition 65.