Head Style: Hex. Thread Size: 3/8-16 in. Quantity: Sold as a set of 16. Underhead Length (in): 1.000 in. Notes: 5/16 in. wrench head size.
ARP 134-1202 Chromoly Header Bolts for Gen 3/4 LS Series 4.8 5.3 5.7 6.0 6.2 7.0
ARP 400-1102 S/S Header Bolts 0.750 UHL 3/8-16 in Thread BBC and Ford
ARP 134-1102 Header Bolts 1.181 in UHL 8mmx1.25 in Thread SBC LS Engine Hex
ARP 444-1102 Header Bolts .750 in UHL 5/16 in Thread Universal Hex
ARP 134-1202 Header Bolts 1.181 in UHL 8mmx1.25 in Thread SBC LS Engine Hex
ARP 100-1212 Header Bolts 1.000 in UHL 3/8-16 in Thread Universal 12-Point
