ARP uses a premium grade 8740 alloy that is rated far superior to aircraft quality. Each stud is placed vertically in special racks and precisely heat-treated to 200,000 psi.

Cylinder Head Studs, Pro Series, 12-Point Head, Chevy, LSX, Kit

Cylinder Head Bolts, High Performance, Hex Head, Chevy, Small Block, Kit

These Pro series studs from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining and are rated at a whopping 190,000 psi.

Cylinder Head Bolts, High Performance, Hex Head, Chevy 1998-2003, 4.8, 5.3, 5.7, 6.0L, Kit

It is for good reason that virtually every top professional engine builder relies on ARP head studs for their all-out competition powerplants. Simply stated, theres not a better stud setup on the market today

Cylinder Head Studs, Pro Series, Hex Head, Chevy, 4.8, 5.3, 5.7, 6.0L, Kit

It is for good reason that virtually every top professional engine builder relies on ARP head studs for their all-out competition powerplants. Simply stated, theres not a better stud setup on the market today.

Cylinder Head Bolts, Pro Series, Hex Head, Chevy, 4.8, 5.3, 5.7, 6.0L, Kit

Cylinder Head Bolts, High Performance 12-Point, Chevy, Kit

Cylinder Head Bolts, High Performance, Hex Head, Chevy, Small Block, Kit

Pro series cylinder head studs from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining and are rated at a whopping 220,000 psi.

Cylinder Head Studs, Pro Series, 12-Point Head, Chevy, 302, 327, 350, 400, Pro Action 14 Degree Heads, Kit

Cylinder Head Studs, Pro Series, 12-Point Head, Chevy, 350, Tall Deck, Pro Action 14 Degree Heads, Kit

Cylinder Head Studs, Pro Series, Hex Head, Chevy, 302, 327, 350, 400, Dart Sportsman Heads, Kit

Cylinder Head Studs, Pro Series, 12-Point Head, Chevy, 302, 327, 350, 400, Pro Action Heads, Kit

Head Studs, Chromoly, 12-Point Head, Chevy, Small Block, Brodix, Rodeck Aluminum Block, GM 18 Degree, Kit

Cylinder Head Studs, Pro Series, 12-Point Head, Chevy, 302, 327, 350, 400, Aftermarket Aluminum Block, Kit

Cylinder Head Studs, Pro Series, 12-Point Head, Chevy, 302, 327, 350, 400, Kit

Cylinder Head Bolts, Stainless Steel, 12-Point Head, Chevy, Small Block, Stock, AFR, Brodix Heads, Kit

Cylinder Head Bolts, Stainless Steel, Hex Head, Chevy, Small Block, Stock, AFR, Brodix Heads, Kit

Cylinder Head Studs, Pro Series, 12-Point Head, Chevy, Small Block, Kit

Cylinder Head Studs, Pro Series, Hex Head, Chevy, 302, 327, 350, 400, Kit

Cylinder Head Bolts, Pro Series 12-Point, Chevy, 302, 327, 350, 400, GM 18 Degree High Port Heads, Kit

Cylinder Head Bolts, Pro Series 12-Point, Chevy, Small Block, GM 18 Degree High Port Heads, Kit

ARP has literally hundreds of standards and specifications that everyone at ARP is completely dedicated to the development and analysis of appropriate bolt designs for all types of applications.

Cylinder Head Bolts, Pro Series 12-Point, Chevy, Small Block, Kit

Cylinder Head Studs, Pro Series, 12-Point Head, Chevy, 302, 327, 350, 400, Brodix 18 Degree Heads, Kit

Cylinder Head Bolts, Pro Series, 12-Point Head, Chevy, Small Block, Kit

Chevrolet SB Pontiac Brodix aluminum heads, raised intake, -10xz, RI, ARP 234-3704 12-Point Pro Series, Cylinder head bolts. Head bolts are available with a reduced wrenching 12-point and wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head retorquing.

Cylinder Head Studs, Pro Series, 12-Point Head, Chevy, Motown Aluminum Block, Kit

Header Bolts, Hex Head, 3/8 in. Wrench, Custom 450, Black Oxide, Chevy, Small Block, Set of 12

Header Bolts, 12-Point, 3/8 in. Wrench, Custom 450, Black Oxide, Chevy, Small Block, Set of 12

Chevrolet Small Block, 3/8 diameter bolt, drilled, 3/8 wrench, 12 pack, 3/8 Size, .750 Under Head Length, Hex head, Black Oxide, ARP Header Bolts 100-1103ARP Header Bolts Header Studs ARP 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.

ARP manufactures a variety of header bolts to facilitate the installation of your headers. Rated at 170,000 psi, they're much stronger than stock and will last under even the most severe conditions.

ARP stainless steel header bolts are 15 percent stronger than Grade 8 steel. These 12-point bolts have a compact head that will allow a socket to fit into those tight, tricky spaces next to the headers.

Header Bolts, Hex Head, 3/8 in. Wrench, Custom 450, Black Oxide, 3/8 in.-16, 1.000 in. U.H.L., Set of 12

Header Bolts, 12-Point, 3/8 in. Wrench, Custom 450, Black Oxide, 3/8 in.-16, 1.000 in. U.H.L., Set of 12

Header Bolts, Hex Head, 3/8 in. Wrench, Stainless Steel, Polished, 3/8 in.-16, 1.000 in. U.H.L., Set of 12

Header Studs, 12-Point Nuts, Custom 450, Black Oxide, Chevy Small Block, Set of 12