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Best Main Bolts & Studs - Buying Guide

Last Updated: 04/24/2019

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  #1

ARP 250-4202 Stud Kit

Model: 250-4202   |    Mpn: 2504202   |    Ean: 0672036032456   |    PartNumber: 2504202   |   Asin: B001D0MJLO

Found a better price? Call us to match prices!Diesel Ford 6.0L Powerstroke ARP2000, 12-point nuts, ARP Head Studs 250-4202ARP Ford Diesel Head StudsIt 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.For openers, ARP Ford Diesel Head Studs 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. This procedure ensures complete heat penetration and the results are far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best.Following heat-treat, each ARP Head Stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionally straight part. Its important to note that lesser quality studs are not even centerless ground the material is thread rolled in bar stock form (mostly before heat-treat, when the material is easier to machine).Because ARP Ford Diesel Head Studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder heads literally glide into position and are perfectly aligned something that wont happen with inferior quality head studs.ARP Head Stud Kits are thread rolled after heat-treat, which gives them about 1000% (thats ten times) better fatigue strength than those studs that are threaded prior to heat-treat (a very common industry practice). It costs a lot more to do it this way, because its tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates

Features

Brand: ARP   |   Manufacturer: ARP

Item Dimensions: 2.3 x 7.3 x 11 inches (5.8 x 18.5 x 27.9 cm)   |   Package Dimensions: 2.1 x 7.3 x 11 inches (5.3 x 18.5 x 27.9 cm)

First Available: 2012-06-05

Amazon Price: $419.95 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 24 hours
List Price: $423.79

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  #2

ARP 4373001 Stainless Steel Bolt Kit For Rear End Cover On Select GM 10-Bolt Applications

Model: 437-3001   |    Mpn: 4373001   |    Ean: 0672036014315   |    PartNumber: 4373001   |   Asin: B000CFS6DG

To maintain a reputation for "zero defects", ensure optimum quality control, and produce fasteners of exceptionally high quality, ARP controls all aspects of the manufacturing process, performing all operations in-house where they can be closely monitored. ARP takes extraordinary steps to produce the very finest products of their kind on the market today. These stainless steel rear end cover bolts are an excellent example of ARP's craftsmanship, and an easy way to enhance the appearance of any GM 10-bolt rear end setup. The stainless steel won't rust, and it offers a lustrous contrast to a painted OEM cover, or perfectly compliment a chrome plated aftermarket version. Rated at 170,000 psi, these sturdy bolts are much stronger than stock (or even Grade 8) hardware, and the threads are precision machined for secure engagement. The kit even comes complete with washers.

Features

  • A practical and good looking way to upgrade your GM 10-bolt rear end cover
  • Manufactured from eye-catching, sturdy, rust-proof stainless steel
  • Rated at 170,000 PSI, which is considerably stronger than Grade 8 hardware
  • .750 under head length, and thread size is 5/16-18
  • Washers included
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Brand: ARP   |   Manufacturer: ARP

Package Dimensions: 0.3 x 4.5 x 7.1 inches (0.8 x 11.4 x 18.0 cm)

First Available: 2012-06-05

Amazon Price: $19.88 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 24 hours
List Price: $24.98

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  #3

ARP 2604701 Bolt Kit

Model: 2604701   |    Mpn: 2604701   |    Ean: 0672036022822   |    PartNumber: 2604701   |   Asin: B001D0MJKU

Subaru EJ2.0L & 2.5L DOHC head stud kitIncludes 12-point nuts

Features

  • Fits SUBARU 2.5L/2458cc-1998-1999/2004-2009/2004-2008;2.0L/1994cc 2002-2005;2.2L/2212cc -1999-2001
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Brand: ARP   |   Manufacturer: ARP

Item Dimensions: 9 x 3 x 4 inches (22.9 x 7.6 x 10.2 cm)   |   Package Dimensions: 2.3 x 4.2 x 8.8 inches (5.8 x 10.7 x 22.4 cm)

First Available: 2012-06-05

Amazon Price: $183.99 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 24 hours
List Price: $188.99

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  #4

Milodon 81150 170,000 PSI Tinsile Strength 8740 Chrome Moly Premium Windage Tray Stud Kit for Small Block Chevy

Model: 81150   |    Mpn: 81150   |    Ean: 0806621811502   |    PartNumber: 81150   |   Asin: B000COU61W

If you are installing a Milodon windage tray in your oil pan, this is the easy way to be sure you have the hardware you need. The adjustable mounting position allows the tray to work at its maximum potential by being as close as possible to the rotating assembly while avoiding any unnecessary interference with the oil pan. Kit includes the necessary studs and nuts.

Features

  • 170,000 PSI tensile strength
  • Adjustable mounting position allows for optimum positioning of the tray
  • Avoids unnecessary interference with the oil pan
  • Kit includes the necessary nuts and studs
  • 90 day limited warranty
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Brand: Milodon   |   Manufacturer: Milodon

Item Dimensions: 0.49 x 5.7 x 9.67 inches (1.2 x 14.5 x 24.6 cm)   |   Package Dimensions: 0.4 x 5.7 x 9.5 inches (1.0 x 14.5 x 24.1 cm)

Amazon Price: $87.95 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 24 hours
List Price: $87.95

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  #5

ARP 1304062 Stud Kit

Model: 130-4062   |    Mpn: 1304062   |    Ean: 0672036001469   |    PartNumber: 1304062   |   Asin: B001D0MJT6

Diesel Chevy GMC 6.2L M12, Hex nuts, ARP Head Studs 130-4062ARP for all Diesel's, ARP GM Diesel Head Studs, ARP Ford Diesel Head Studs, ARP Chrysler Diesel Head Studs 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.For openers, ARP for all Diesel's, ARP GM Diesel Head Studs, ARP Ford Diesel Head Studs, ARP Chrysler Diesel Head Studs Kits 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. This procedure ensures complete heat penetration and the results are far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best.Following heat-treat, each ARP Head Stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionally straight part. Its important to note that lesser quality studs are not even centerless ground the material is thread rolled in bar stock form (mostly before heat-treat, when the material is easier to machine).Because ARP for all Diesel's, ARP GM Diesel Head Studs, ARP Ford Diesel Head Studs, ARP Chrysler Diesel Head Studs Kits are manufactured to such exacting tolerances, you will note that gaskets and cylinder heads literally glide into position and are perfectly aligned something that wont happen with inferior quality head studs.ARP Head Stud Kits are thread rolled after heat-treat, which gives them about 1000% (thats ten times) better fatigue strength than those studs that are threaded prior to heat-treat (a very common industry practice). It costs a lot more to do it this way, be

Features

Brand: ARP   |   Manufacturer: ARP

Item Dimensions: 11 x 3 x 8 inches (27.9 x 7.6 x 20.3 cm)   |   Package Dimensions: 2.3 x 7.3 x 11 inches (5.8 x 18.5 x 27.9 cm)

First Available: 2012-06-05

Amazon Price: $161.99 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 24 hours
List Price: $182.72

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  #6

ARP 2002402 Black Oxide Carburetor Stud Kit

Model: 200-2402   |    Mpn: 2002402   |    Ean: 0672036005337   |    PartNumber: 2002402   |   Asin: B000CFS13Q

5/16-18/24, overall length 2.700, 4 Pack, 8740 Chrome Moly black oxide, Fits carburetors with 1 spacers, ARP 200-2402 carburetor studs.ARP Carb Stud Kits, The best way to make sure that carburetors stay perfectly sealed to the intake manifold is through the use of ARPs carb studs, which feature J-form threads to resist loosening from vibration.ARP carburetor Stud Kits, are offered in a variety of heights to accommodate most any combination of carb and spacer, and are available in 8740 Chrome Moly with a black oxide finish or rust-proof Stainless Steel.Special ARP Pro Series NASCAR type stud kits have one of the studs drilled to facilitate sealing the carburetor in the engine by race officials. All carb stud kits come with hex nuts and washers.

Features

Brand: ARP   |   Manufacturer: ARP

Item Dimensions: 0.6 x 3.9 x 5.8 inches (1.5 x 9.9 x 14.7 cm)   |   Package Dimensions: 0.47 x 3.86 x 5.79 inches (1.2 x 9.8 x 14.7 cm)

First Available: 2012-06-05

Amazon Price: $15.99 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 24 hours
List Price: $20.48

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  #7

ARP 134-1504 12-Point Rear Motor Cover Bolt Kit for Chevy LS1/LS2

Model: 134-1504   |    Mpn: ARP-134-1504   |    Ean: 0672036034917   |    PartNumber: ARP-134-1504   |   Asin: B003TPM14G

ARP's timing cover bolts are available in both polished stainless steel or black oxide finish chrome moly. You also can choose between standard hex head bolts or compact 12-point fasteners. Also available as part of ARP's complete Engine & Accessory kits.Studs are preferred by many Pro engine builders because they eliminate the chance of pinching gaskets and contribute to easier engine assembly. You will note that ARP studs feature a special bullet nose to guide the nut accurately into place. Available in black oxide finish 8740 chrome moly or polished stainless steel with hex or 12-point nuts. Rear Motor Cover Bolt Kit 12Point Head Material Black Oxide

Features

Brand: ARP   |   Manufacturer: ARP

Package Dimensions: 1 x 5 x 8 inches (2.5 x 12.7 x 20.3 cm)

First Available: 2012-10-25

Amazon Price: $19.99 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $22.17

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  #8

ARP 2184701 Stud Kit

Model: 218-4701   |    Mpn: 2184701   |    Ean: 0672036023331   |    PartNumber: 2184701   |   Asin: B000ECO7ZI

Mazda 1.6L (BP) 1.8L (BP) Double Overhead Cam Miata, 12-point nuts, ARP Head Studs 218-4701ARP Head Stud Kits with 12-point Nuts. 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.For openers, ARP Head Stud Kits 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. This procedure ensures complete heat penetration and the results are far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best.Following heat-treat, each ARP Head Stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionally straight part. Its important to note that lesser quality studs are not even centerless ground the material is thread rolled in bar stock form (mostly before heat-treat, when the material is easier to machine).Because ARP Head Stud Kits are manufactured to such exacting tolerances, you will note that gaskets and cylinder heads literally glide into position and are perfectly aligned something that wont happen with inferior quality head studs.ARP Head Stud Kits are thread rolled after heat-treat, which gives them about 1000% (thats ten times) better fatigue strength than those studs that are threaded prior to heat-treat (a very common industry practice). It costs a lot more to do it this way, because its tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force and one that compensates for

Features

Brand: ARP   |   Manufacturer: ARP

Item Dimensions: 9 x 3 x 4 inches (22.9 x 7.6 x 10.2 cm)   |   Package Dimensions: 2.2 x 4.2 x 8.6 inches (5.6 x 10.7 x 21.8 cm)

First Available: 2012-06-05

Amazon Price: $120.99 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 24 hours
List Price: $127.28

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  #9

ARP 254-2901 Flexplate Bolt Kit for Ford 4.6/5.4L

Model: 254-2901   |    Mpn: 254-2901   |    Ean: 0672036029845   |    PartNumber: 254-2901   |   Asin: B001T6HDD6

Ford 4.6L 5.4L Modular V8, .800 Under Head Length, M10 x 1.0 Thread Size, Pro Series ARP Flexplate Bolt Kit 254-2901ARP Flexplate bolts play an important role in the performance and safety of race cars and street machines alike. Thats why the fastener experts at ARP have developed special bolts that are far superior to OEM hardware. ARP offers two styles of ARP Flexplate bolts bolts: High Performance and Pro Series.Both ARP Flexplate bolts are forged from aerospace alloy and heat-treated prior to thread rolling and machining. Both feature an exclusive, flat, 12-point head design and larger than stock shank diameter for increased strength nd improved Flexplate register.The popular ARP High Performance series is rated at 180,000 psi, and the premium grade ARP Pro Series, originally developed for NASCAR Winston Cup competition, has a 200,000 psi rating. Complete with washers and nuts where applicable.NOTE: The thread size of metric fasteners is listed using international designations. For example, M10 indicates a 10mm thread size.

Features

Brand: ARP   |   Manufacturer: ARP

Package Dimensions: 0.4 x 1.7 x 5.6 inches (1.0 x 4.3 x 14.2 cm)

First Available: 2012-10-25

Amazon Price: $36.99 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $43.44

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  #10

ARP 2002405 Carburetor Stud Kit, Chrome Moly Steel With Black Oxide Finish, 4 Pack, For Select Applications With 3" Spacer

Model: 200-2405   |    Mpn: 2002405   |    Ean: 0672036005351   |    PartNumber: 2002405   |   Asin: B000CFU5GC

To maintain a reputation for "zero defects", ensure optimum quality control, and produce fasteners of exceptionally high quality, ARP controls all aspects of the manufacturing process, performing all operations in-house where they can be closely monitored. ARP takes extraordinary steps to produce the very finest products of their kind on the market today, so a great way to make sure that carburetors stay perfectly sealed to the intake manifold is through the use of ARP's carb studs. Manufactured from 8740 chrome moly with a black oxide finish, these studs feature J-form threads to resist loosening from vibration. This kit contains four studs, size 5/16, with an overall length of 4.700, and comes complete with hex nuts and washers.

Features

  • Make certain that the carburetor stays perfectly sealed to the intake manifold
  • Manufactured from 8740 chrome moly steel with a black oxide finish
  • J-form threads resist loosening from vibration
  • Size 5/16 studs have an overall length of 4.700, and come 4 to a package
  • Kit comes complete with hex nuts and washers
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Brand: ARP   |   Manufacturer: ARP

Package Dimensions: 0.1 x 5.6 x 8.4 inches (0.3 x 14.2 x 21.3 cm)

First Available: 2012-06-05

Amazon Price: $16.99 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 24 hours
List Price: $23.03

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  #11

ARP 2442901 Pro Series Flexplate Bolt Kit for Gen II/LS Series Small Block Chevrolet

Model: 2442901   |    Mpn: 2442901   |    Ean: 0672036035105   |    PartNumber: 2442901   |   Asin: B003XUH4QM

Chevy Gen II/LS Series Small Block, .880 Under Head Length, M11 x 1.5 Thread Size, Pro Series ARP Flexplate Bolt Kit 244-2901ARP Flexplate bolts play an important role in the performance and safety of race cars and street machines alike. Thats why the fastener experts at ARP have developed special bolts that are far superior to OEM hardware. ARP offers two styles of ARP Flexplate bolts bolts: High Performance and Pro Series.Both ARP Flexplate bolts are forged from aerospace alloy and heat-treated prior to thread rolling and machining. Both feature an exclusive, flat, 12-point head design and larger than stock shank diameter for increased strength nd improved Flexplate register.The popular ARP High Performance series is rated at 180,000 psi, and the premium grade ARP Pro Series, originally developed for NASCAR Winston Cup competition, has a 200,000 psi rating. Complete with washers and nuts where applicable.NOTE: The thread size of metric fasteners is listed using international designations. For example, M10 indicates a 10mm thread size.

Features

Brand: ARP   |   Manufacturer: ARP

Item Dimensions: 0.87 x 4 x 6 inches (2.2 x 10.2 x 15.2 cm)   |   Package Dimensions: 0.24 x 5.98 x 10 inches (0.6 x 15.2 x 25.4 cm)

First Available: 2012-06-05

Amazon Price: $26.79 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 24 hours
List Price: $29.75

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  #12

ARP 2026003 High Performance Connecting Rod Bolt Kit, For Select Nissan Applications

Model: 202-6003   |    Mpn: 2026003   |    Ean: 0672036007546   |    PartNumber: 2026003   |   Asin: B000CFU67K

Your engine's rod bolts are subjected to amazing stresses as they support the primary tension loads caused by each rotation of the crankshaft. With alternating tension loads and cyclic bending of the bolts, fasteners that aren't up to the task can break and cause catastrophic engine failure. That is why it is very important to install high quality fasteners that are able to exert a clamping force greater than the load imposed upon the joint. ARP has you covered with rod bolts that are substantially better than the stock OEM and most aftermarket bolts. These High Performance connecting rod bolts are manufactured from a premium grade 8740 alloy chrome moly steel that has been heat-treated to provide a tensile strength in the 200,000 psi range. Cycle testing shows ARP High Performance rod bolts to be nearly five times more reliable than stock bolts. This complete set was specially designed for select Nissan applications (VG30E and VG30ET, L24 (late), L26, L28 6-cylinder, 9mm, with "C" head style).

Features

  • Connecting rod bolts are the most important fasteners in your engine, the key to the entire rotating assembly
  • Replacing inferior OEM fasteners can help you avoid catastrophic engine failure
  • Manufactured from a heat-treated premium grade 8740 alloy chrome moly steel
  • Rated in the 200,000 psi range, which is considerably stronger than OEM or even Grade 8 hardware
  • Complete set includes the bolts you need to upgrade all of the connecting rods in your engine
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Brand: ARP   |   Manufacturer: ARP

Package Dimensions: 0.4 x 5.5 x 9.2 inches (1.0 x 14.0 x 23.4 cm)

First Available: 2012-06-05

Amazon Price: $61.18 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $61.18

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  #13

ARP 1555402 Main Stud Kit, 200,000 PSI Chrome Moly Steel, For Select Ford Big Block 2-Bolt Main Applications, 429-460-385 CID Series

Model: 1555402   |    Mpn: 1555402   |    Ean: 0672036004361   |    PartNumber: 1555402   |   Asin: B000CFQ3UY

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 their own factory using the best processes, designs, materials, and engineering. Every main stud kit exceeds the most stringent aerospace specifications, and come complete with hardened parallel-ground washers and aerospace quality nuts. The studs are manufactured from 8740 chrome moly steel, and heat-treated to 200,000 psi tensile strength. J-form threads are rolled after heat-treat to create a fastener that has threads 1000% stronger than others. Be aware that, although ARP produces both studs and bolts, they recommend the use of main studs over bolts whenever possible for several key reasons. First is the ability to obtain more accurate torque readings because studs don't "twist" into the block. All clamping forces are on one axis. By the same token, there is less force exerted on the block threads, which contributes to improved block life (which is very critical on aluminum blocks). They also allow for easier engine assembly and proper alignment of caps every time.

Features

  • Main studs are designed to meet the exacting standards and demands of professional engine builders
  • Manufactured from 8740 chrome moly steel
  • Rated at 200,000 PSI, which is considerably stronger than Grade 8 hardware
  • Rolled J-form threads are 1000% stronger than other threads
  • Main studs are recommended over main bolts for a number of reasons, including more accurate torque readings and easier engine assembly
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Brand: ARP   |   Manufacturer: ARP

Package Dimensions: 2.3 x 4.2 x 8.7 inches (5.8 x 10.7 x 22.1 cm)

First Available: 2012-06-05

Amazon Price: $74.67 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $74.67

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  #14

ARP 4341301 Header Stud Kit for Chevy LS1

Model: 434-1301   |    Mpn: 4341301   |    Ean: 0672036030599   |    PartNumber: 4341301   |   Asin: B003XUIMOK

Chevy Small Block Gen III/LS Series, 12 pack, 8mm Size, 1.750 Over All Length, 12-point head, Stainless 300, ARP Header Studs 434-1301ARP 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 Header Bolts Header Studsthat areStainless 300 material arenot affected by corrosion or extreme heat, makingit ideal for the application. Whats more, the compact 12-point nut lets you easily slip a socket close to the pipe!Each ARP accessory stud or bolt kit includes the specific number of parts for your application, plus premium-quality washers and hex or 12-point nuts, as required. Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading.ARP Header Bolts Header Studscome either black oxide chrome moly or Stainless 300. Both are nominally rated at 170,000 psi tensile strength; substantially stronger than Grade 8 hardware. Specially drilled NASCAR models are available for those who wish to safety wire their header bolts to Special NASCAR model prevent loosening.Studs are measured OAL (Over All Length) and Bolts are measured UHL (Under Head Length)

Features

Brand: ARP   |   Manufacturer: ARP

Item Dimensions: 10 x 1 x 6 inches (25.4 x 2.5 x 15.2 cm)   |   Package Dimensions: 0.2 x 6 x 9 inches (0.5 x 15.2 x 22.9 cm)

First Available: 2012-06-05

Amazon Price: $105.99 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $119.99

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  #15

ARP 1564101 Ford Mod 4.6 2V&4V Hex Hs

Model: 156-4101   |    Mpn: 1564101   |    Ean: 0672036004460   |    PartNumber: 1564101   |   Asin: B000CFS0ZA

Ford Modular 4.6L 5.4L 2V/4V, Hex nuts, ARP Head Studs 156-4101ARP Ford Modular 4.6L 5.4L Head Studs, 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.For openers, ARP Ford Modular 4.6L 5.4L Head Studs Kits 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. This procedure ensures complete heat penetration and the results are far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best.Following heat-treat, each ARP Head Stud are centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionally straight part. Its important to note that lesser quality studs are not even centerless ground the material is thread rolled in bar stock form (mostly before heat-treat, when the material is easier to machine).Because ARP Ford Modular 4.6L 5.4L Head Studs Kits are manufactured to such exacting tolerances, you will note that gaskets and cylinder heads literally glide into position and are perfectly aligned something that wont happen with inferior quality head studs.ARP Head Stud Kits are thread rolled after heat-treat, which gives them about 1000% (thats ten times) better fatigue strength than those studs that are threaded prior to heat-treat (a very common industry practice). It costs a lot more to do it this way, because its tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for

Features

Brand: ARP   |   Manufacturer: ARP

Package Dimensions: 1.2 x 7.3 x 11 inches (3.0 x 18.5 x 27.9 cm)

First Available: 2012-06-05

Amazon Price: $257.99 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 24 hours
List Price: $257.99

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  #16

ARP 2084601 Head Stud Kit

Model: 208-4601   |    Mpn: 2084601   |    Ean: 0672036029869   |    PartNumber: 2084601   |   Asin: B000CFQ5JI

Honda/Acura B16A, 12-point nuts and under cut studs, ARP Head Studs 208-4601ARP Head Stud Kits with 12-point Nuts and Under Cut Studs . 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.For openers, ARP Head Stud Kits 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. This procedure ensures complete heat penetration and the results are far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best.Following heat-treat, each ARP Head Stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionally straight part. Its important to note that lesser quality studs are not even centerless ground the material is thread rolled in bar stock form (mostly before heat-treat, when the material is easier to machine).Because ARP Head Stud Kits are manufactured to such exacting tolerances, you will note that gaskets and cylinder heads literally glide into position and are perfectly aligned something that wont happen with inferior quality head studs.ARP Head Stud Kits are thread rolled after heat-treat, which gives them about 1000% (thats ten times) better fatigue strength than those studs that are threaded prior to heat-treat (a very common industry practice). It costs a lot more to do it this way, because its tough on tooling, but the results are well worth the extra effort.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the stretch of both studs, which makes for a more consistent clamping force

Features

Brand: ARP   |   Manufacturer: ARP

Item Dimensions: 2.2 x 4.1 x 8.4 inches (5.6 x 10.4 x 21.3 cm)   |   Package Dimensions: 2.3 x 4.2 x 8.7 inches (5.8 x 10.7 x 22.1 cm)

First Available: 2012-06-05

Amazon Price: $131.20 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $131.20

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  #17

ARP 152-5401 Main Stud Kit for Ford Inline 6

Model: 152-5401   |    Mpn: ARP-152-5401   |    Ean: 0672036003531   |    PartNumber: ARP-152-5401   |   Asin: B001T6HDJU

ARP 152-5401

Brand: ARP   |   Manufacturer: ARP

Package Dimensions: 2.3 x 4.5 x 8.9 inches (5.8 x 11.4 x 22.6 cm)

First Available: 2012-10-25

Amazon Price: $81.51 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 24 hours
List Price: $86.76

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  #18

ARP 2084303 High Performance Cylinder 12-Point Head Stud Kit

Model: 2084303   |    Mpn: 2084303   |    Ean: 0672036008185   |    PartNumber: 2084303   |   Asin: B000CFO2NO

(Vtec, B18C) Built for the Acura Integra... Obtaining the optimum cylinder head-to-block sealing is especially critical in small displacement engines employing high compression pistons or power adders like turbochargers, nitrous oxide and superchargers. That's why ARP head studs are popular among leading Sport Compact/Import racers.You should know that ARP uses a premium grade 8740 alloy that is rated far superior to "aircraft" quality. Then, each stud is precisely heat-treated to 200,000 psi. Following heattreat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionally straight part. It's important to note that lesser quality studs are not even centerless ground the material is thread rolled in bar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder heads literally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 1000% (that's ten times) better fatigue strength than those studs that are threaded prior to heat-treat.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the "stretch" of both studs, which makes for a more consistent clamping force one that compensates for head gasket compression when the head is installed. This helps prevent blown head gaskets, and assures optimum sealing!

Features

Brand: ARP   |   Manufacturer: ARP

Item Dimensions: 2.5 x 4.4 x 8.9 inches (6.4 x 11.2 x 22.6 cm)   |   Package Dimensions: 2.3 x 4.2 x 8.7 inches (5.8 x 10.7 x 22.1 cm)

First Available: 2012-06-05

Amazon Price: $134.99 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 24 hours
List Price: $141.14

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  #19

ARP 200-6210 5/16" Replacement Rod Bolt Kit - 8 Piece

Model: 200-6210   |    Mpn: 200-6210   |    Ean: 0672036021740   |    PartNumber: 200-6210   |   Asin: B003TPERMA

Automotive Racing Products (ARP) started in 1968, in Southern California. Their product line includes everything from engine and driveline fasteners for OEM replacement parts to exotic specialty hardware for the Formula 1, Indycar, NASCAR, NHRA Drag Racing, and Marine Applications. They produce a number of specialty products like cylinder head fastener kits, connecting rod bolts, exhaust manifold/header fastener kits, oil pan fastener kits, piston ring compressors, and more.

Features

  • ARP 200-6210 Replacement Rod Bolt Kit 5/16 (8)
  • Product Dimension (LxWxH): 5.75x9.6x.7
  • See more on Amazon...

Brand: ARP   |   Manufacturer: ARP

Package Dimensions: 0.2 x 5 x 9.4 inches (0.5 x 12.7 x 23.9 cm)

First Available: 2012-10-25

Amazon Price: $63.15 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $63.15

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  #20

ARP 2034201 Pro 12-Point Cylinder Head Stud Kit

Model: 203-4201   |    Mpn: 2034201   |    Ean: 0067203600758   |    PartNumber: 2034201   |   Asin: B001KQEQG2

ARP Pro 12-Point Cylinder Head Stud Kit includes washers and assures easy assembling of the engine as well as proper alignment of the gasket. It is constructed from premium grade 8740 alloy and is heat-treated to 200,000 psi. This head stud is thread rolled which gives about 1000% better fatigue strength and facilitates easy installation.

Features

  • Assures easy assembling of the engine
  • Ensures proper alignment of the gasket
  • Constructed from premium grade 8740 alloy
  • Heat-treated to 200,000 psi
  • Facilitates easy installation
  • See more on Amazon...

Brand: ARP   |   Manufacturer: ARP

Item Dimensions: 9 x 3 x 4 inches (22.9 x 7.6 x 10.2 cm)   |   Package Dimensions: 2.3 x 4.2 x 8.6 inches (5.8 x 10.7 x 21.8 cm)

First Available: 2012-06-05

Amazon Price: $137.99 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 1 to 2 months
List Price: $150.17

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  #21

ARP 641-1250 Black Oxide 5/16-18" RH Thread 1.250" UHL 12-Point Bolt with 3/8" Socket and Washer, (Set of 5)

Model: 641-1250   |    Mpn: 641-1250   |    Ean: 0672036017002   |    PartNumber: 641-1250   |   Asin: B004PLA8HA

Automotive Racing Products (ARP) started in 1968, in Southern California. Their product line includes everything from engine and driveline fasteners for OEM replacement parts to exotic specialty hardware for the Formula 1, Indycar, NASCAR, NHRA Drag Racing, and Marine Applications. They produce a number of specialty products like cylinder head fastener kits, connecting rod bolts, exhaust manifold/header fastener kits, oil pan fastener kits, piston ring compressors, and more.

Features

Brand: ARP   |   Manufacturer: ARP

Package Dimensions: 0.2 x 4 x 6 inches (0.5 x 10.2 x 15.2 cm)

First Available: 2012-06-04

Amazon Price: $12.99 | as of 04/24/2019(12:09pm pst)
Availibility: Usually ships in 24 hours
List Price: $13.99

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  #22

ARP 1007703 Wheel Studs - Pack of 5

Model: 1007703   |    Mpn: 1007703   |    Ean: 0672036000417   |    PartNumber: 1007703   |   Asin: B000CFO0KO

Automotive Racing Products 100-7703 Ford Rear Disc Brakes/Chrys

Features

Brand: ARP   |   Manufacturer: ARP

Item Dimensions: 1 x 5 x 7 inches (2.5 x 12.7 x 17.8 cm)   |   Package Dimensions: 0.98 x 3.31 x 4.29 inches (2.5 x 8.4 x 10.9 cm)

First Available: 2012-06-05

Amazon Price: $43.40 | as of 04/24/2019(12:09pm pst)
Availibility:
List Price: $23.84

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Looking For Something Else? Search

Most Popular
New Releases

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  2. ARP 2084303 High Performance Cylinder 12-Point Head Stud Kit
  3. ARP 2442901 Pro Series Flexplate Bolt Kit for Gen II/LS Series Small Block Chevrolet
  4. ARP 200-6210 5/16" Replacement Rod Bolt Kit - 8 Piece
  5. ARP 2034201 Pro 12-Point Cylinder Head Stud Kit
  6. ARP 641-1250 Black Oxide 5/16-18" RH Thread 1.250" UHL 12-Point Bolt with 3/8" Socket and Washer, (S...
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Most Wished For

  1. ARP 250-4202 Stud Kit
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Most Gifted

  1. ARP 250-4202 Stud Kit
  2. ARP 2084303 High Performance Cylinder 12-Point Head Stud Kit
  3. ARP 2442901 Pro Series Flexplate Bolt Kit for Gen II/LS Series Small Block Chevrolet
  4. ARP 200-6210 5/16" Replacement Rod Bolt Kit - 8 Piece
  5. ARP 2034201 Pro 12-Point Cylinder Head Stud Kit
  6. ARP 641-1250 Black Oxide 5/16-18" RH Thread 1.250" UHL 12-Point Bolt with 3/8" Socket and Washer, (S...
  7. ARP 2604701 Bolt Kit
  8. ARP 4341301 Header Stud Kit for Chevy LS1
  9. ARP 1007703 Wheel Studs - Pack of 5

Top Selling

  1. ARP 250-4202 Stud Kit
  2. ARP 4373001 Stainless Steel Bolt Kit For Rear End Cover On Select GM 10-Bolt Applications
  3. ARP 2604701 Bolt Kit
  4. Milodon 81150 170,000 PSI Tinsile Strength 8740 Chrome Moly Premium Windage Tray Stud Kit for Small ...
  5. ARP 1304062 Stud Kit
  6. ARP 2002402 Black Oxide Carburetor Stud Kit
  7. ARP 134-1504 12-Point Rear Motor Cover Bolt Kit for Chevy LS1/LS2
  8. ARP 2184701 Stud Kit
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