Availability
ARP main stud kits help eliminate main cap walk/fretting and protect the threads in your engine block. They include studs made from 8740 chromoly steel and heat-treated in-house to 190,000 psi tensile-strength rating. The precision J-form threads are rolled after heat-treat for much stronger threads than the competition. Kits come complete with hardened parallel-ground washers and high-quality nuts. Add confidence in the strength of your engine build with the ARP main stud kit designed for your application.
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$100.99
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$260.99
The 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. The Pro Series are also available with hex and 12-point heads. All kits come complete with hardened parallel washers for even load distribution and accurate torque readings.
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$102.99
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$256.99
ARP High Performance Series head bolt kits are tough. They are rated at 180,000 psi--15 percent stronger than Grade 8 fasteners. They come available with a reduced wrenching hex head or 12-point head that help eliminate the need for valvetrain removal when re-torqueing cylinder heads.
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$101.99
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$262.99
ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They're heat-treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12-point nuts, and all studs come complete with hardened parallel washers for an even load distribution and accurate torque readings. With hundreds of models ready to ship, these cylinder head fasteners can be ordered for virtually any style engine.
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$100.99
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$282.99
ARP Pro Series rocker arm studs are ideal for competition applications. They are made from 8470 chromoly steel and are heat-treated to 200,000 psi tensile strength. They are concentric within .005 T.I.R. thread pitch to thread pitch, which will give you more consistent rocker geometry. With an extra-large radius base, these studs are more resistant to flex and will provide a more positive seating. Pro Series rocker arm studs were designed for use with Perma-Loc adjusters (not for use with OEM-style, self-locking nuts).
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$100.99
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$141.99
ARP Pro Series connecting rod bolts are precision CNC-machined to exacting specifications and designed for optimum reliability. They are heat-treated and threads are rolled to provide up to ten times more fatigue strength. This makes them far superior to standard OEM fasteners in terms of durability, and fully capable of handling the extra stress of high-combustion engines.
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$101.99
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$245.99
Headers can represent a sizable investment, so you'll want to keep them securely attached. In addition, exhaust leaks can cost you power and even cause damage to your vehicle. ARP stainless steel header studs are the answer. They're made from premium 300 stainless steel, which is rated at 170,000 psi tensile strength--much stronger than Grade 8 steel. These studs are also highly corrosion and heat-resistant, for long service under the toughest conditions, and they're polished to a mirror-like shine. Each kit includes the specific number of parts for the desired application, plus premium-quality washers and either hex or 12-point nuts.
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$102.99
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$169.99
Check connecting rod bolt stretch accurately with ARP rod bolt stretch gauges. They are highly recommended when installing rod bolts and other fasteners where it is possible to measure the length of the bolt after tightening.
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$181.99
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$240.99
ARP engine bolt kits come in your choice of polished stainless steel or black oxide chromoly steel bolts with 12-point or hex heads. These kits include the bolts and washers for your engine.
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$103.99
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$268.99
ARP high performance cylinder head stud kits are precision centerless-ground and thread-rolled to Mil-S-8879 specs. A black oxide finish protects them from wear and corrosion, and ARP throws in hardened parallel washers for uniform load distribution and accurate torque readings. Keep your cylinders mounted securely with a set of ARP high performance cylinder head studs; order the hardware recommended for your year/make and engine application
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$109.99
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$256.99
Camshaft positioning is especially critical on overhead cam engines, and ARP camshaft tower stud and bolt kits make sure that cam towers are properly secured. These durable bolts and studs are made from 8740 chromoly steel, with all of the threads rolled after heat-treating to ensure optimum fatigue strength.
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$114.99
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$252.99
ARP High Performance Series main bolts are rated at 180,000 psi and a popular premium replacement for OEM fasteners. Designed to meet the exacting standards and demands of professional engine builders, ARP bolts are forged from 8740 chromoly steel and feature a reduced wrenching head, large underhead radius, and rolled threads for the utmost in reliability. The threads are rolled after heat-treating which gives them about 2,000 percent better fatigue strength than most main bolts that are threaded prior to heat-treating. Hardened parallel-ground washers are included with each kit.
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$102.99
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$160.99
ARP thread cleaning chaser sets are designed to clean dirty holes. They include the correct thread pitch and diameter for the most commonly used threads, and their 3-flute design offers added strength.
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$154.99
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$182.99
ARP bellhousing studs are designed with a bullet nose to guide the bellhousing into position and accept nuts without cross-threading. They come in your choice of durable 8740 heat-treated alloy or rust-resistant stainless steel. All kits come complete with nuts and flat washers.
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$115.99
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$176.99
ARP stainless steel accessory studs can be used for exhaust systems, intake manifolds, and a number of other uses. They are made of ARP's stainless 300 and are impervious to the rust and corrosion that plague ordinary fasteners. The studs feature a unique nut starter nose and a hex broached tip, allowing them to be easily installed using an Allen wrench. Stainless steel 12-point nuts and washers are included. Give your engine a show quality look with ARP stainless steel accessory bolts.
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$104.99
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$226.99
ARP High Performance Series rocker arm studs are ideal for ET bracket racing, limited rule oval track competition, or street use. Made from 8740 chromoly steel and are heat-treated to 180,000 psi tensile strength, they are concentric within .005 T.I.R. thread pitch to thread pitch, which will give you more consistent rocker geometry. With an extra-large radius base, they are more resistant to flex and will provide a more positive seating. These rocker arm studs are designed to be used with Perma-Loc adjusters (not for use with OEM-style, self-locking nuts).
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$122.99
ARP manufactures a variety of header stud kits 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. Each kit includes the specific number of parts required for the desired application, plus premium-quality washers and either hex or 12-point nuts. Universal kits are also available.
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$131.99
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$134.99
ARP Pro Series main bolts are application-specific and rated at 190,000 psi. Designed for use in competition engines, as well as to meet the exacting standards and demands of professional engine builders, ARP bolts are forged from 8740 chromoly steel and feature a reduced wrenching head, large underhead radius, and rolled threads for the utmost in reliability. The threads are rolled after heat-treating which gives them about 2,000 percent better fatigue strength than most main bolts that are threaded prior to heat-treating. Hardened parallel-ground washers are included with each kit.
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$102.99
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$109.99
You can eliminate oil seepage and prolong the life of your gaskets by installing ARP oil pan stud kits. Each stud has a unique nut-starter radius to prevent cross-threading and is available in polished stainless steel or black oxidized chromoly.
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$103.99
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$151.99
ARP stainless steel cylinder head bolts are 15 percent stronger than Grade 8 steel. They have a compact head that will allow a socket to fit into those tight, tricky spaces. These bolts are both highly corrosion and heat-resistant, feature a polished finish, and come in 12-point and hex-style heads.
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$100.99
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$262.99
ARP High Performance Series connecting rod bolts are made from seamless and defect-free 8740 chromoly steel. All ARP rod bolts are heat-treated before grinding and thread rolling and have a large underhead radius for greater strength. Guaranteed to pass magnetic inspection testing, these bolts are nearly five times stronger than OEM bolts. They're used in applications ranging from stock replacement to Circle Track, marine, and drag racing engines.
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$104.99
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$253.99
Pro Series flywheel bolts from ARP give you all that you need to bolt in your flywheel with confidence. They're much stronger than OEM hardware, forged from aerospace alloy, and are heat-treated prior to thread rolling and machining. These bolts feature an exclusive, flat 12-point head design and a larger-than-stock shank diameter for increased strength and improved flywheel register.
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$117.99
Why use ARP main cap studs for your motorcycle or UTV? They're machined from 8740 chromoly steel, heat-treated to 190,000 psi tensile strength, and precision J-form thread-rolled to create fasteners with the strongest threads available. The studs eliminate main cap walk and fretting—and offer the ability to obtain more accurate torque readings, easier engine assembly, and the proper alignment of caps. Order the set recommended for your powersports machine!
Not Yet Reviewed
$116.99
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$183.99
ARP valve cover stud kits will not only assist you with positioning your gaskets, but they will also minimize valve cover deflection, reducing the chance of oil seepage. The kits include studs, nuts, and washers.
( 265 )
$115.99
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