Description Forged from aerospace alloy and heat-treated prior to thread rolling and machining, ARP bolts are the only bolt to use. They feature an exclusive, flat 12-point head design and a larger-than-stock shank diameter for increased strength and improved register. Pro Series bolts 10mm x 1.0 RH, .500 in. Length Ford 1992-20011, 4.6/5.4L, Set of 8
