3/8 x 1.000 SS hex header bolt kit.

Country/Region of Manufacture: United States
Interchange Part Number: 070-400-1109
Other Part Number: arp-400-1109
Product Series: Arp Stainless Steel
Fitment Type: Performance/Custom
UPC: 672036013196
Vintage Car Part: Yes
Surface Finish: Stainless
Manufacturer Part Number: 400-1109
Brand: Arp
Warranty: 1 Year