ARP Chromoly 1/2-13 in Thread Bolt - 3.250 in Long - 9/16 in Hex Head - Black Oxide (Set of 5) COM12-773-8 Dual Square Bore

Dual Square Bore

Accessory ports under the carburetor in 1/8 NPT

Fragola -10AN Tee 1/2 NPT On The Run - Black

1980-1980 Ford E-100 Econoline

ARP Chromoly 1/2-13 in Thread Bolt - 3.250 in Long - 9/16 in Hex Head - Black Oxide (Set of 5) COM12-773-8 Dual Square BoreProduct 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