Chevrolet Small Block Dart, Buick, Hex nuts, ARP Head Studs 234-4102ARP Chevy Small Block Head Studs Kits.: It is for good reason that virtually every top professional engine builder relies on ARP head studs for their all-out competition powerplants.

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.

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.

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

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.

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.

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

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

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

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

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

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

They say that to be successful you must identify a need and satisfy it. Back in 1968 racing enthusiast Gary Holzapfel saw that many of his friends' broken engines were caused by fastener failure.

Cylinder Head Studs, 12-Point Nuts, Chevy, Small Block, with Brodix 23 Degree Heads, Kit

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

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

Cylinder Head Studs, 12-Point Head, Chevy, 302, 327, 350, 400, Brodix 12/18 Degree Heads, 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.

They say that to be successful you must identify a need and satisfy it. Back in 1968 racing enthusiast Gary Holzapfel saw that many of his friends' broken engines were caused by fastener failure.

They say that to be successful you must identify a need and satisfy it. Back in 1968 racing enthusiast Gary Holzapfel saw that many of his friends' broken engines were caused by fastener failure.

They say that to be successful you must identify a need and satisfy it. Back in 1968 racing enthusiast Gary Holzapfel saw that many of his friends' broken engines were caused by fastener failure.

Cylinder Head Studs, Pro Series, 12-Point Head, Chromoly, Black Oxide, Chevy, Warhawk LS7X Aluminum Block

Header Bolts, Hex Head, 20mm UHL, 3/8 in. Wrench, Steel, Black Oxide, Chevy, LS Engine, Set of 12

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.

Header Bolts, Hex Head, 25mm UHL, 3/8 in. Wrench, Steel, Black Oxide, Chevy, LS Engine, Set of 12

Header Bolts, 12-Point Head, 20mm UHL, 3/8 in. Wrench, Steel, Black Oxide, Chevy, LS Engine, Set of 12

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

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

Header Bolts, 12-Point Head, 25mm UHL, 3/8 in. Wrench, Steel, Black Oxide, Chevy, LS Engine, Set of 12

Header Bolts, Hex Head, 20mm UHL, 3/8 in. Wrench, Stainless Steel, Polished, Chevy, LS Engine, Set of 12

Header Bolts, Hex Head, 25mm UHL, 3/8 in. Wrench, Stainless Steel, Polished, Chevy, LS Engine, Set of 12

Header Bolts, 12-Point Head, 20mm UHL, 3/8 in. Wrench, Stainless Steel, Polished, Chevy, LS Engine, Set of 12

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.

Header Bolts, 12-Point Head, 30mm UHL, 3/8 in. Wrench, Stainless Steel, Polished, Chevy, LS Engine, Set of 12

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

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, Chevy, Small Block, Set of 12