Point One P1 K003-H02E 8740 Head Stud Kit for 2004+ Chevy GM Gen IV LS LS2 LS3*OPEN BOX ITEM* 2004+ GM LS ENGINES Point One head studs for 2004+ LS engines are 190,000psi nominal tensil strength, and made from 8740 alloy steel from US mills. All fasteners are individually racked and heat treated in vacuum furnaces under the supervision of Point One's full time metallurgist. Every thread is straightened and centerless ground for exceptional concentricity. Threads are rolled after heat treatment to provide optimal strength. Every