Header Bolt Kit For Chrysler 5.7L & 6.1L Hemi V8 Stainless Hex Head

Header Bolt Kit For Chrysler 5.7L & 6.1L Hemi V8 Stainless Hex 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.

The studs are sold in 4 or 5 packs and are cadmium plated for extra durability

Both models feature a large diameter

This procedureinvolves about ten very slight cuts and results in an exceptionallystraight part

(inside diameter) chamfers

Most applications have undercut short bolts that can help eliminate head gasket failures through providing more “stretch” to compensate for theadditional compression of gaskets

These premium grade bolt and stud kits are engineered to properly engage the engine block threads and resist loosening

All kits come complete with hardened parallel-ground washers and high quality nuts

marine and drag racing engines – including those with superchargers and/ or nitrous oxide injection systems – ARP offers replacement rod bolts in three different models

All Pro Series head bolts have are reduced 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

000 lbs clamping force

Please check our dedicated diesel site – ARPdiesel

these hex nuts are available in most sizes to meet your needs