ARP Chromoly 1/2-13 in Thread Bolt - 3.750 in Long - 9/16 in Hex Head - Black Oxide (Set of 5) 1081 250" long Hi-Tech 5/16" diameter

250" long Hi-Tech 5/16" diameter pushrods handle the requirements of today's all-out race engines

Stainless steel fan blades

Fits SA/SP112

Spindles are forged for increased strength

Nomex Knit Construction

ARP Chromoly 1/2-13 in Thread Bolt - 3.750 in Long - 9/16 in Hex Head - Black Oxide (Set of 5) 1081 250" long Hi-Tech 5/16" diameterProduct Description: Bolt 1 2 13 in Thread 3. 750 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