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Best Main Bolts & Studs - Buying Guide

Last Updated: 07/20/2019

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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: $398.00 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $425.99

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  #2

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: $22.99 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $25.34

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  #3

ARP 2542801 Bolt Kit

Model: 2542801   |    Mpn: 2542801   |    Ean: 0672036028978   |    PartNumber: 2542801   |   Asin: B001ASK1P0

Ford 4.6L 5.4L Modular V8, 1.000 Under Head Length, M10 x 1.0 Thread Size, Pro Series ARP Flywheel Bolt Kit 254-2801ARP Flywheel 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 Flywheel bolts bolts: High Performance and Pro Series.Both ARP Flywheel 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 flywheel 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: 6 x 1 x 4 inches (15.2 x 2.5 x 10.2 cm)   |   Package Dimensions: 0.59 x 5.79 x 9.61 inches (1.5 x 14.7 x 24.4 cm)

First Available: 2012-06-05

Amazon Price: $38.88 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $41.67

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  #4

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: $10.49 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $13.99

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  #5

ARP 641-1000 Black Oxide 5/16-18" RH Thread 1.000" UHL 12-Point Bolt with 3/8" Socket and Washer, (Set of 5)

Model: 641-1000   |    Mpn: 641-1000   |    Ean: 0672036016999   |    PartNumber: 641-1000   |   Asin: B001T6HI2C

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

Item Dimensions: 6 x 1 x 4 inches (15.2 x 2.5 x 10.2 cm)   |   Package Dimensions: 0.5 x 3.8 x 5.8 inches (1.3 x 9.7 x 14.7 cm)

First Available: 2012-06-04

Amazon Price: $10.49 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $12.99

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  #6

ARP 2345608 Stud Kit

Model: 2345608   |    Mpn: 2345608   |    Ean: 0672036023034   |    PartNumber: 2345608   |   Asin: B001D0MJMI

Chevy Gen III/LS Series Small Block GMPP LSX block, 4 bolt main, ARP Main Studs 234-5608ARP Chevy SB Main Stud Kits, There are many important reasons to use ARP Main Stud Kits, for Chevy SB's including the elimination of main cap walk and fretting, as well as protecting the threads in your engine block. The ARP Main Stud Kits, For Chevy SB are manufactured in ARP's 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. Parallel-ground, hardened washers are included with each ARP Chevy SB Main Stud Kit. 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 ARP Chevy SB Main Stud Kits are manufactured from 8740 chrome moly steel, heat-treated in-house to 200,000 psi tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger than others. Dont settle for anything less than the best. Insist on genuine ARP studs youll find the ARP name stamped right on the end! STUDS vs. BOLTSARP recommends 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 dont 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 (very critical on aluminum blocks). Finally, there are factors of easier engine assembly and proper alignment of caps every time.

Features

  • Stud Kit: Chevrolet various makes and models or small block; Fasteners for Chevrolet small Block engines
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Brand: ARP   |   Manufacturer: ARP

Package Dimensions: 2.3 x 4.1 x 8.7 inches (5.8 x 10.4 x 22.1 cm)

First Available: 2012-06-05

Amazon Price: $214.99 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $214.99

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  #7

ARP 640-0515 Black Oxide 1/4-20" RH Thread 0.515" UHL 12-Point Bolt with 5/16" Socket and Washer, (Set of 5)

Model: 640-0515   |    Mpn: 640-0515   |    Ean: 0672036016852   |    PartNumber: 640-0515   |   Asin: B00899VYBI

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: 0.1 x 4 x 5.7 inches (0.3 x 10.2 x 14.5 cm)

First Available: 2012-06-04

Amazon Price: $8.49 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $13.85

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  #8

ARP 234-4317 2344317 Stud Kit

Model: 234-4317   |    Mpn: 2344317   |    Ean: 0672036031879   |    PartNumber: 2344317   |   Asin: B000CFQ6WY

SB Chevy LS1 pro-series 04 12pt head stud kit

Features

Brand: ARP   |   Manufacturer: ARP

Item Dimensions: 9 x 3 x 4 inches (22.9 x 7.6 x 10.2 cm)   |   Package Dimensions: 2.1 x 4.2 x 8.7 inches (5.3 x 10.7 x 22.1 cm)

First Available: 2012-06-05

Amazon Price: $282.89 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $282.94

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  #9

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: $16.49 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $18.33

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  #10

ARP 1502202 Pressure Plate Bolt

Model: 150-2202   |    Mpn: 1502202   |    Ean: 0672036035402   |    PartNumber: 1502202   |   Asin: B004SKTIY2

The importance of pressure plate bolts in a racing or hi-performance street application cannot be emphasized nearly enough. These fasteners play a key role in both the performance and safety of a vehicle. Because of this, ARP has developed special pressure plate bolts that are application specific to ensure the optimum grip length. ARP offers High Performance Series bolts that are made from a premium grade chrome moly and hardened to a nominal tensile strength of 180,000 psi. The Pro Series bolts, originally developed for NASCAR Winston Cup competition, are stronger and rated at 200,000 psi. Both models feature a large diameter, low-profile design. Complete with washers. Pressure Plate Bolt Kit High Performance Series Thread M8 x 1.25

Brand: ARP   |   Manufacturer: ARP

Package Dimensions: 0.7 x 4 x 4.9 inches (1.8 x 10.2 x 12.4 cm)

First Available: 2012-06-05

Amazon Price: $14.25 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $14.99

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  #11

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 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $183.99

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  #12

ARP 4301701 Stainless 300 12-Point Distributor Stud Kit

Model: 430-1701   |    Mpn: 4301701   |    Ean: 0672036013950   |    PartNumber: 4301701   |   Asin: B000CFO5Y0

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. This distributor stud kit is a fine example of how ARP takes extraordinary steps to produce the very finest products of their kind on the market today. The distributor stud is one of the most critical fasteners in any engine, yet it is often overlooked so, to keep your timing locked in place, ARP offers this premium grade stud. It is manufactured from rust-proof stainless steel, is equipped with vibration-resistant J-form threads, and features a special bullet nose to help guide the nut into place without crossthreading. The kit comes complete with a compact 12-point style nut and washer.

Features

  • Premium grade fasteners help you lock your timing in place
  • Equipped with vibration-resistant J-form threads
  • Manufactured from rust-proof stainless steel
  • Special bullet nose helps guide nut into place without crossthreading
  • Comes complete with washer and compact 12-point style nut
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Brand: ARP   |   Manufacturer: ARP

Item Dimensions: 6 x 1 x 4 inches (15.2 x 2.5 x 10.2 cm)   |   Package Dimensions: 1 x 1.9 x 6 inches (2.5 x 4.8 x 15.2 cm)

First Available: 2012-06-05

Amazon Price: $9.28 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 1-2 business days
List Price: $15.07

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  #13

ARP 4307401 Stainless 300 12-Point Thermostat Housing Bolt Kit

Model: 430-7401   |    Mpn: 4307401   |    Ean: 0672036014148   |    PartNumber: 4307401   |   Asin: B000CFUAJO

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. These thermostat housing bolts are a fine example of how ARP takes extraordinary steps to produce the very finest products of their kind on the market today. Nobody likes water leaks, and these are ARP's contribution to the solution. Manufactured from rust-proof stainless steel, these premium grade bolts are engineered to properly engage the manifold threads and resist loosening. The bolts feature compact 12-point style heads, and washers are included.

Features

  • Avoid water leaks with high quality thermostat housing bolts
  • Engineered to properly engage the manifold threads and resist loosening
  • Manufactured from rust-proof stainless steel
  • Features compact 12-point style heads and under head length of 1.00/2.00
  • Fasteners come complete with washers
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Brand: ARP   |   Manufacturer: ARP

Package Dimensions: 1.1 x 3.7 x 5.7 inches (2.8 x 9.4 x 14.5 cm)

First Available: 2012-06-05

Amazon Price: $5.91 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $10.69

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  #14

ARP 2307001 Oil Pump Studs

Model: 2307001   |    Mpn: 2307001   |    Ean: 0672036008376   |    PartNumber: 2307001   |   Asin: B000CFQ5QG

Chevy SB Hex stud kit, ARP Oil Pump Studs and bolts are Black Oxide Stud with Hex or 12 pt nut and washer. Youve probably heard many a horror story about someone losing an engine when the oil pump fell off into the pan because of a broken bolt.Well, you can put your mind at ease when using ARPs premium grade oil pump bolt and stud kits. You have a choice of black oxide finished 8740 chrome moly steel or low maintenance stainless steel. Both are nominally rated at 170,000 psi tensile strength to provide you with plenty of clamping force. Moreover, take your pick between conventional hex style or 12-point designs.This is insurance that no conscientious engine builder should be without! The studs come with flat washers and nuts, while the Ford bolt kit has flat washers only. These inexpensive fasteners can literally save your engine

Features

  • Made From Premium Grade 8740 Alloy Chrome Moly Steel
  • With Hex Nut and Washer
  • Nominally Rated At 180,000 PSI Tensile Strength To Provide You With Plenty Of Clamping Force
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Brand: ARP   |   Manufacturer: ARP

Item Dimensions: 0.5 x 4 x 5.8 inches (1.3 x 10.2 x 14.7 cm)   |   Package Dimensions: 0.5 x 4 x 5.7 inches (1.3 x 10.2 x 14.5 cm)

First Available: 2012-06-05

Amazon Price: $5.99 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $9.70

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  #15

ARP 207-4205 Head Stud Kit

Model: 207-4205   |    Mpn: 207-4205   |    Ean: 0672036030698   |    PartNumber: 207-4205   |   Asin: B000ECSCUY

ARP 207-4205

Features

Brand: ARP   |   Manufacturer: ARP

Package Dimensions: 2.2 x 4.1 x 8.7 inches (5.6 x 10.4 x 22.1 cm)

First Available: 2012-10-25

Amazon Price: $352.43 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $352.43

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  #16

ARP 2074203 Mits Head Stud Kit

Model: 207-4203   |    Mpn: 2074203   |    Ean: 0672036008123   |    PartNumber: 2074203   |   Asin: B000CFQ5AC

MITS HEAD STUD KIT

Features

Brand: ARP   |   Manufacturer: ARP

Package Dimensions: 2.1 x 4.3 x 8.7 inches (5.3 x 10.9 x 22.1 cm)

First Available: 2012-06-05

Amazon Price: $111.99 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $124.74 | Used Price: $85.94

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  #17

ARP 231-4701 Head Stud Kit

Model: 231-4701   |    Mpn: 231-4701   |    Ean: 0672036034290   |    PartNumber: 231-4701   |   Asin: B005AU9HTA

General Motors 2.2L Ecotec, 12-point nuts and under cut studs, ARP Head Studs 231-4701ARP 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 clamp

Features

Brand: ARP   |   Manufacturer: ARP

Package Dimensions: 2.3 x 4.2 x 8.6 inches (5.8 x 10.7 x 21.8 cm)

First Available: 2012-10-25

Amazon Price: $137.99 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $144.11

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  #18

ARP 400-8022 M8 x 1.25 x 38mm Stainless Steel Stud Kit - 10 Piece

Model: 400-8022   |    Mpn: 400-8022   |    Ean: 0672036022761   |    PartNumber: 400-8022   |   Asin: B005ASTH06

M8 X 1.25 X 38mm broached Stud Kit - 10pcs

Features

Brand: ARP   |   Manufacturer: ARP

Package Dimensions: 0.5 x 4.75 x 7.5 inches (1.3 x 12.1 x 19.1 cm)

First Available: 2012-10-25

Amazon Price: $102.66 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $106.04

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  #19

ARP 218-5401 Main Stud Kit

Model: 218-5401   |    Mpn: 218-5401   |    Ean: 0672036029999   |    PartNumber: 218-5401   |   Asin: B000F2NJVU

Mazda 1.6L (B6) 1.8L (BP) Double Overhead Cam Miata (12pt nuts), 2 bolt main, ARP Main Studs 218-5401ARP Mazda Main Stud Kits, There are many important reasons to use ARP Main Stud Kits, for Mazdaincluding the elimination of main cap walk and fretting, as well as protecting the threads in your engine block. The ARP Main Stud Kits, For Ford Small Block are manufactured in ARP 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. Parallel-ground, hardened washers are included with each ARP Mazda Main Stud Kit. 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 ARP Mazda Main Stud Kits are manufactured from 8740 chrome moly steel, heat-treated in-house to 200,000 psi tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger than others. Dont settle for anything less than the best. Insist on genuine ARP studs youll find the ARP name stamped right on the end! STUDS vs. BOLTSARP recommends 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 dont 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 (very critical on aluminum blocks). Finally, there are factors of easier engine assembly and proper alignment of caps

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: 2012-10-25

Amazon Price: $95.99 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $104.98

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  #20

ARP 642-3000 Black Oxide 3/8-16" RH Thread 3.000" UHL 12-Point Bolt with 3/8" Socket and Washer, (Set of 5)

Model: 642-3000   |    Mpn: 642-3000   |    Ean: 0672036017262   |    PartNumber: 642-3000   |   Asin: B00899W0KW

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

  • Bolt - 3/8-16 in Thread - 3.000 in Long - 3/8 in 12 Point Head - Chromoly - Black Oxide - Universal - Set of 5
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Brand: ARP   |   Manufacturer: ARP

Package Dimensions: 0.5 x 3.1 x 7 inches (1.3 x 7.9 x 17.8 cm)

First Available: 2012-06-04

Amazon Price: $16.99 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $16.99

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  #21

ARP 202-6001 Rod Bolt Kit

Model: 202-6001   |    Mpn: 202-6001   |    Ean: 0672036007522   |    PartNumber: 202-6001   |   Asin: B003TPIV4A

Because factory connecting rods (or aftermarket versions of OEM rods) are used in a variety of applications from rebuilt stock motors to modified powerplants used in circle track, marine and drag racing engines - including those with superchargers and/or nitrous oxide injection systems - ARP offers replacement rod bolts in three different models. All of them are substantially better than the stock OEM and most aftermarket bolts. GOOD: STANDARD HIGH PERFORMANCE BOLTS A premium grade 8740 alloy chrome moly steel is used to manufacture ARP High Performance connecting rod bolts. This material is heat-treated to provide a tensile strength in the 200,000 psi range, which is substantially stronger than the OEM bolts. Cycle testing shows ARP High Performance rod bolts to be nearly five times more reliable than stock bolts. BETTER: WAVE-LOC HIGH PERFORMANCE BOLTS The same heat-treated 8740 chrome moly steel is used to make these rod bolts as ARP's standard High Performance rod bolts. The big difference is in the shank design, with ARP's exclusive (and patented) Wave-Loc technology providing substantial benefits. Because there are fairly wide tolerances in factory bolt holes, the bolt must be able to fit snugly and a knurl is applied. Unfortunately, these knurls cut deep into the bolt material, leaving sharp edges and enormous "stress risers" that promote failure. That's why ARP developed the Wave-Loc design that features symmetrical waves and provides an effective interference fit without creating stress risers in the bolt or the rod. BEST: "PRO" SERIES WAVE-LOC BOLTS For the most severe applications, in conjunction with aftermarket I-beam rods, ARP has developed the "Pro" Series Wave-Loc bolts. These ultra heavy-duty rod bolts are made from a special material designated ARP2000. It has approximately 200% the fatigue life of 8740 chrome moly steel and has a tensile strength of about 220,000 psi, and is capable of more than 12,000 lbs. clamping force.

Features

Brand: ARP   |   Manufacturer: ARP

Package Dimensions: 0.2 x 9.6 x 9.7 inches (0.5 x 24.4 x 24.6 cm)

First Available: 2012-10-25

Amazon Price: $46.50 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $49.83

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  #22

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: $135.00 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $135.99

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  #23

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: $43.99 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $23.84

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  #24

ARP 2025402 Stud Kit

Model: 2025402   |    Mpn: 2025402   |    Ean: 0672036034283   |    PartNumber: 2025402   |   Asin: B001D0J5DE

SP NISSN SR20 DET MSK

Features

Brand: ARP   |   Manufacturer: ARP

Item Dimensions: 9 x 3 x 4 inches (22.9 x 7.6 x 10.2 cm)   |   Package Dimensions: 2.1 x 4.2 x 8.5 inches (5.3 x 10.7 x 21.6 cm)

First Available: 2012-06-05

Amazon Price: $97.16 | as of 07/20/2019(3:25am pst)
Availibility: Usually ships in 24 hours
List Price: $109.78

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