ARP 6 mm x 1.00 in Thread Chromoly Bolt - 50 mm Long - Black Oxide - (Set of 5) 57380 230 in Bottom Diameter

230 in Bottom Diameter

brings the highest level of suit that we have ever produced

Removes over 200deg of bend compared to normal header to increase flow

Loop is designed to fit inside factory tunnel and work with most driveshafts up to 4" in diameter

Chromemoly steel studs are heat-treated and have a 190/000 psi tensile strength rating

ARP 6 mm x 1.00 in Thread Chromoly Bolt - 50 mm Long - Black Oxide - (Set of 5) 57380 230 in Bottom DiameterARP M6 x 1. 00 x 50 Hex Black Oxide Bolts (5 pkg) Product Description: Bolt 6 mm x 1. 00 in Thread 50 mm Long 8 mm 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