These ARP High Performance series head bolt kits are tough! They are rated at 170,000 psi--15 percent stronger than Grade 8 fasteners.

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.

Connecting Rod Manufacturer: Stock
Cap Retention Style: Through-bolt

ARP main bolt kits are priced low, but their quality is extremely high

The kits come complete with hardened washers and high-strength hex nuts.

These ARP main studs are made from 8740 chromoly steel and have a 190,000 psi tensile-strength rating.

These ARP main studs are made from 8740 chromoly steel and have a 190,000 psi tensile-strength rating.

Main Bolts, High Performance, 2-Bolt Main, Buick 1970-76, 455, Kit

Main Studs, 2-Bolt Main, Buick 1970-76, 455, Kit

These ARP main studs are made from 8740 chromoly steel and have a 190,000 psi tensile-strength rating

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.

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.

Buick350 cid, ARP 124-4001 Cylinder Head Stud kit with hex nuts.It is for good reason that virtually every top professional engine builder relies on ARP head studs for their all-out competition powerplants.

Buick 350 timing cover & water pump 12pt bolt 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.

Buick 215 cid, Rover V8, ARP 124-4003 Cylinder Head Stud kit with hex nuts.It is for good reason that virtually every top professional engine builder relies on ARP head studs for their all-out competition powerplants.

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.

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.

 Buick 350 12pt 

Hex Timing Cover Bolt Kit (420-3202) by ARP® more details on - http://www.carid.com/arp/hex-timing-cover-bolt-kit-mpn-420-3202.html

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.

Rod Bolts, High Performance Series, 8740 Complete, Chevrolet Vega 4 Cylinder

These ARP High Performance series head bolt kits are tough! They are rated at 170,000 psi--15 percent stronger than Grade 8 fasteners.

Fastener Yield Strength (psi):180,000 psi

Buick455 cid, ARP 125-4001 Cylinder Head Stud kit with hex nuts.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. Then, each stud is placed vertically in special racks and precisely heat-treated to 200,000 psi.

Buick V6, Stage II, ARP 223-3700 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.

Buick V6, Stage 1 (1977-1985) ARP 223-3701 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.

These Pro series cylinder head bolts 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.

Chevy Vega 4-cylinder rod bolt kit

These Pro series cylinder head bolts 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.

ARP's Professional Series head bolts deliver superior strength and meet the ARP "Zero Defect, Zero Failure" quality standard.

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.

Intake Manifold Bolt Kit, Chromoly, Black Oxide, Hex, Buick V6, Set of 10

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.