ARP Chromoly 1/2-13 in Thread Bolt - 3.250 in Long - 9/16 in Hex Head - Black Oxide (Set of 5) BUTBB1156901 3/8 in NPT Female x

3/8 in NPT Female x 3/8 in NPT Female x 3/8 in NPT Female

Requires 65301 (1 Hex) or 65302 (22MM Hex) Installation Tool

compact size facilitates easy mounting

For the budget minded

ARP Chromoly 1/2-13 in Thread Bolt - 3.250 in Long - 9/16 in Hex Head - Black Oxide (Set of 5) BUTBB1156901 3/8 in NPT Female xProduct Description: Bolt 1 2 13 in Thread 3. 250 in Long 9 16 in Hex Head Chromoly Black Oxide Universal Set of 5 ARP is the fastener of champions. They say that to be successful you must identify a need and satisfy it. Back in 1968 racing enthusiast Gary Holzapfel saw that many of his friendsa broken engines were caused by fastener failure. At the time, there were no commercially available studs and bolts up to the challenge. So Holzapfel called