Header Stud Kit for Chevrolet 3/8˝ dia. stud Stainless 12-Pt Head

Header Stud Kit for Chevrolet 3/8˝ dia. stud Stainless 12-Pt HeadARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12 point nuts. The ARP Stainless material is not affected by corrosion or extreme heat, making it ideal for the pplication. Whats more, the compact 12 point inut lets you easily slip a socket close to the pipe. Studs are manufactured with a unique nut starter nose that helps prevent cross threading.

You’ll note that the studs have a radiused bullet nose that serves to locate the pan rails

HIGH PERFORMANCE SERIESHigh Performance head bolts are available with a reduced wrenching hex or 12-point and wide area flanged head that eliminates theneed for valve train removal to facilitate cylinder head retorquing

These materials are primarily used in connecting rods where extremely high loads

They are 5/16˝ wrenching and nominally rated at 180

ARP solves the problem by offering stronger head studs that are designed for higher clamping loads

Rated at 180

Increased material strength overcomes valve train harmonics and stress

All Pro Series head bolts have areduced wrenching hex or 12-point head and wide area flange to permit the use of larger diameter valve springs and eliminate the need for valve train removal during cylinder head retorquing

You can forget about the problem of shearing a torque converter bolt after you install these super strong 190

Some applications have provisions for mounting windage trays and have specially designed standoff studs with serrated lock nuts to position the windage tray and lock it securely in place

000 psi tensile strength material and proprietary (ARP2000®) 220

Finish 2: Polished