Big Block Chevy 12-point Intake Bolt Kit

We offer a full selection of intake manifold bolt kits to fit most popular marine engines. These kits come complete with the correct number of bolts and stainless steel washers. Don't install your new intake manifold with anything less.

Big Block Chevy 6-point Hex Intake Bolt Kit

We offer a full selection of intake manifold bolt kits to fit most popular marine engines. These kits come complete with the correct number of bolts and stainless steel washers. Don't install your new intake manifold with anything less.

Big Block Ford 429/460 12-point Intake Bolt Kit

We offer a full selection of intake manifold bolt kits to fit most popular marine engines. These kits come complete with the correct number of bolts and stainless steel washers. Don't install your new intake manifold with anything less.

1" spacer, 5/16" diameter, 4 pieces

The best way to make sure that carburetors stay perfectly sealed to the intake manifold is through the use of ARP's carburetor studs, which features J-form threads to resist loosening from vibration. They're offered in a variety of heights to accommodate most any combination of carburetor and spacer.

Big Block Chevy - HP Series Hex Bolts

High Performance head bolts are available with a reduced wrenching hex or 12-point and wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

HP Series Cylinder Head Hex Bolts - Small Block Chevy

High Performance head bolts are available with a reduced wrenching hex or 12-point and wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head re-torquing. All High Performance Series bolts are 170,000 PSI (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers.

Chevy 12-point, Stainless 300

One of the most critical, yet often overlooked, fasteners used in any engine locks the timing in place. ARP offers these premium grade studs, which are equipped with vibration-resistant J-form threads, in black oxide finished chrome moly or rust-proof stainless steel. A special bullet nose helps guide nut into place without cross-threading. Choice of conventional 6-point or space-saving 12-point nuts. Washers included.

Chevy Hex, Stainless 300

One of the most critical, yet often overlooked, fasteners used in any engine locks the timing in place. ARP offers these premium grade studs, which are equipped with vibration-resistant J-form threads, in black oxide finished chrome moly or rust-proof stainless steel. A special bullet nose helps guide nut into place without cross-threading. Choice of conventional 6-point or space-saving 12-point nuts. Washers included.

Ford FE 12-point, Stainless 300

One of the most critical, yet often overlooked, fasteners used in any engine locks the timing in place. ARP offers these premium grade studs, which are equipped with vibration-resistant J-form threads, in black oxide finished chrome moly or rust-proof stainless steel. A special bullet nose helps guide nut into place without cross-threading. Choice of conventional 6-point or space-saving 12-point nuts. Washers included.

Big Block Chevy 1/2" diameter, 5/8" head

As the crankshaft flexes and twists, the damper absorbs incredible amounts of kinetic energy. To ensure that the damper is locked in position, ARP has developed these ultra strong 190,000 PSI bolts that let you exert maximum clamping force. Special features include 1/4" thick, wide area washer.

Small Block Chevy 7/16" diameter, 5/8" head

As the crankshaft flexes and twists, the damper absorbs incredible amounts of kinetic energy. To ensure that the damper is locked in position, ARP has developed these ultra strong 190,000 PSI bolts that let you exert maximum clamping force. Special features include 1/4" thick, wide area washer.

Stainless Steel 12 Point Header Bolt Kit with 5/16 Head Size

These all stainless steel header bolts are 3/8-16 x 1" long. They are beautifully polished to accent any header system.

Stainless Steel 6 Point Header Bolt Kit with 5/16 Head Size

These all stainless steel header bolts are 3/8-16 x 1" long. They are beautifully polished to accent any header system.

Big Block Chevy 2 bolt w/windage tray - HP Series Hex Bolts

There are many important reasons to use ARP main stud kits, including the elimination of main cap walk and fretting, as well as protecting the threads in your engine block. The studs are manufactured in our own factory using the best materials, processes, designs and engineering. Every ARP main stud kit exceeds the most stringent aerospace specifications. All kits come complete with hardened parallel-ground washers and aerospace quality nuts. 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. The studs are manufactured from 8740 chrome moly steel, heat-treated in-house to 190,000 PSI tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger than others. Don't settle for anything less than the best. Insist on genuine ARP studs . . . you'll find the name stamped right on the end!

12-Point Bolt Kit, Stainless 300, Big Block Chevy

The engineers at ARP spent quite a bit of time developing these highly effective, unique oil pan studs. They're designed to make it as easy as possible to install a pan and seal it properly. You'll note that the studs have a radiused bullet nose that serves to locate the pan rails, then allow the nuts to be easily installed without the worry of cross-threading. For those who prefer bolts, ARP's got you covered, too. Both are available in black oxide finished chrome moly steel or rust-proof stainless steel. Also, take your pick from conventional hex nuts (or bolt heads) and a space-saving 12-point design. The stud kits come complete with a special locking flanged nut, while the bolt kits come with washers.

Small Block Chevy & Big Block Ford w/roller rockers & girdles with or w/o guide plate - Professional Series

ARP High Performance and Professional Series Rocker Arm Studs offer improved reliability through longer thread engagement in the cylinder head and an extra large radius for reduced flex. Special applications have been designed for aftermarket heads to assure proper fit. High Performance Series are rated at 170,000 PSI while Professional Series are rated at 190,000 PSI.

Small Block Chevy 12-point Intake Bolt Kit

We offer a full selection of intake manifold bolt kits to fit most popular marine engines. These kits come complete with the correct number of bolts and stainless steel washers. Don't install your new intake manifold with anything less.

12-Point Bolt Kit, 1/4-20, 14 pieces, for stamped steel covers

ARP offers complete stainless steel valve cover bolt kits for both steel and aluminum valve covers. Choose from conventional hex or 12-point sets.