arp header bolts, 12-point head, 30mm uhl, 3/8 in. wrench, stainless steel, polished, for chevrolet, ls engine, set of 12

ARP stainless steel header bolts are 15 percent stronger than Grade 8 steel. These bolts have a compact head that will allow a socket to fit into those tight, tricky spaces next to the headers. These bolts are both highly corrosion-resistant and heat-resistant. They have a polished finish and come in 12-point and hex-style heads.