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Browse ARP performance parts and upgrades including engine fasteners, studs and hardware for high stress applications, with options suited to street, drag, drift, circuit and high horsepower builds.

5-Pack Bolt Kit, Hex Head S/S 7/16" UNC x 2.750" UHL With 7/16" Socket Head (AR626-2750)

ARP
Original price $73.14 - Original price $73.14
Original price
$73.14
$73.14 - $73.14
Current price $73.14

7/16" UNC x 2.750" UHL With 7/16" Socket Head Part Number : AR626-2750 Now you can use premium quality ARP stainless steel or chrome m...

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Original price $73.14 - Original price $73.14
Original price
$73.14
$73.14 - $73.14
Current price $73.14

5-Pack Bolt Kit, Hex Head S/S 3/8" UNC x 2.750" UHL With 3/8" Socket (AR623-2750)

ARP
Original price $53.36 - Original price $53.36
Original price
$53.36
$53.36 - $53.36
Current price $53.36

3/8" UNC x 2.750" UHL With 3/8" Socket Part Number : AR623-2750 To compliment ARP "bulk" 5-pack chrome moly and stainless steel fasten...

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Original price $53.36 - Original price $53.36
Original price
$53.36
$53.36 - $53.36
Current price $53.36

5-Pack Bolt Kit, Hex Head Black Oxide 1/2" UNC x 3.750" UHL With 9/16" Socket Head (AR617-3750)

ARP
Original price $64.52 - Original price $64.52
Original price
$64.52
$64.52 - $64.52
Current price $64.52

1/2" UNC x 3.750" UHL With 9/16" Socket Head Part Number : AR617-3750 Now you can use premium quality ARP stainless steel or chrome mo...

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Original price $64.52 - Original price $64.52
Original price
$64.52
$64.52 - $64.52
Current price $64.52

Flywheel Bolt Kit Toyota 2.0L 3SGTE DOHC & Nissan RB30ET (8-pieces) M12 X 1.25 Thread x 1.000" UHL (AR203-2801)

ARP
Original price $147.78 - Original price $147.78
Original price
$147.78
$147.78 - $147.78
Current price $147.78

fits Toyota 2.0L 3SGTE DOHC & Nissan RB30ET (8-pieces) M12 X 1.25 Thread x 1.000" UHL Part Number : AR203-2801 Arp Replacement Bol...

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Original price $147.78 - Original price $147.78
Original price
$147.78
$147.78 - $147.78
Current price $147.78

Special Purpose Washer 7/16" I.D, 7/8" O.D .120" Thick With No Chamfer (10-Pack) (AR200-8747)

ARP
Original price $21.39 - Original price $21.39
Original price
$21.39
$21.39 - $21.39
Current price $21.39

7/16" I.D, 7/8" O.D .120" Thick With No Chamfer (10-Pack) Part Number : AR200-8747 A true high performance washer from ARP, available ...

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Original price $21.39 - Original price $21.39
Original price
$21.39
$21.39 - $21.39
Current price $21.39

Main Stud Kit, 2-Bolt Main Hex Nut Nissan RB30ET & CA18DET RWD With Girdle (AR9995215)

ARP
Original price $287.50 - Original price $287.50
Original price
$287.50
$287.50 - $287.50
Current price $287.50

fits Nissan RB30ET & CA18DET RWD With Girdle Part Number : AR9995215 There are many important reasons to use ARP main stud kits, i...

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Original price $287.50 - Original price $287.50
Original price
$287.50
$287.50 - $287.50
Current price $287.50

Head Stud Kit, 12-Point Nut Nissan RB20DET, RB25DET, RB30ET 11mm Stud With Twin Cam Head & CA18DET (AR9994208)

ARP
Original price $373.75 - Original price $373.75
Original price
$373.75
$373.75 - $373.75
Current price $373.75

fits Nissan RB20DET, RB25DET, RB30ET 11mm Stud With Twin Cam Head & CA18DET Part Number : AR9994208 It is for good reason that vir...

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Original price $373.75 - Original price $373.75
Original price
$373.75
$373.75 - $373.75
Current price $373.75

Conrod Bolt Set SB Ford 289-302 Windsor (5/16") (AR154-6002)

ARP
Original price $168.93 - Original price $168.93
Original price
$168.93
$168.93 - $168.93
Current price $168.93

fits SB Ford 289-302 Windsor (5/16") Part Number : AR154-6002 Unquestionably The Most Important Fasteners In Any Engine Are The Connec...

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Original price $168.93 - Original price $168.93
Original price
$168.93
$168.93 - $168.93
Current price $168.93

Water Pump & Thermostat Bolt Kit, Hex Head Black Oxide GM LS Series (AR134-3201)

ARP
Original price $61.99 - Original price $61.99
Original price
$61.99
$61.99 - $61.99
Current price $61.99

fits GM LS Series Part Number : AR134-3201 ARP's timing cover & water pump bolts are available in both polished stainless steel or...

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Original price $61.99 - Original price $61.99
Original price
$61.99
$61.99 - $61.99
Current price $61.99

12-Point Nut, Chrome Moly Black Oxide 9/16" UNF Thread, 11/16" Socket (2-Pack) (AR300-8325)

ARP
Original price $39.56 - Original price $39.56
Original price
$39.56
$39.56 - $39.56
Current price $39.56

9/16" UNF Thread, 11/16" Socket (2-Pack) Part Number : AR300-8325 Available in a variety of sizes to suit your needs, all ARP 12-point...

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Original price $39.56 - Original price $39.56
Original price
$39.56
$39.56 - $39.56
Current price $39.56

Exhaust Header Bolt Kit, Hex Head Black Oxide BB Chev 3/8" Thread X .750" UHL (16 Pack) (AR100-1102)

ARP
Original price $52.21 - Original price $52.21
Original price
$52.21
$52.21 - $52.21
Current price $52.21

fits BB Chev 3/8" Thread X .750" UHL (16 Pack) Part Number : AR100-1102 Premium Grade Bolt And Stud Kits To Facilitate Installation Of...

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Original price $52.21 - Original price $52.21
Original price
$52.21
$52.21 - $52.21
Current price $52.21

Head Bolt Set, 12-Point Pro Series GM LS Series With All Same Length Bolts (2004-On) (AR134-3610)

ARP
Original price $312.11 - Original price $312.11
Original price
$312.11
$312.11 - $312.11
Current price $312.11

fits GM LS Series With All Same Length Bolts (2004-On) Part Number : AR134-3610 PROFESSIONAL SERIES PROFESSIONAL SERIES Al...

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Original price $312.11 - Original price $312.11
Original price
$312.11
$312.11 - $312.11
Current price $312.11

Head Bolt Set, Hex Head Holden 253-304-308 (AR205-3601)

ARP
Original price $351.33 - Original price $351.33
Original price
$351.33
$351.33 - $351.33
Current price $351.33

fits Holden 253-304-308 Part Number : AR205-3601 High Performance Serieshigh Performance Head Bolts Are Available With A Reduced Wren...

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Original price $351.33 - Original price $351.33
Original price
$351.33
$351.33 - $351.33
Current price $351.33

Flywheel Bolt Kit BB Chrysler 383-440 & 426 Hemi With 8-Bolt Crank 1/2-20 x .875" UHL (AR245-2801)

ARP
Original price $87.29 - Original price $87.29
Original price
$87.29
$87.29 - $87.29
Current price $87.29

fits BB Chrysler 383-440 & 426 Hemi With 8-Bolt Crank 1/2-20 x .875" UHL Part Number : AR245-2801 Flywheel and Flexplate bolts pla...

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Original price $87.29 - Original price $87.29
Original price
$87.29
$87.29 - $87.29
Current price $87.29

Pressure Plate Bolt Kit, Hex Head Black Oxide GM LS Series (12" Clutch) .625" O.D, M10 X 1.5 Thread (AR134-2203)

ARP
Original price $50.83 - Original price $50.83
Original price
$50.83
$50.83 - $50.83
Current price $50.83

fits GM LS Series (12" Clutch) .625" O.D, M10 X 1.5 Thread Part Number : AR134-2203 CLUTCH COVER/PRESSURE PLATE BOLT KITS The importa...

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Original price $50.83 - Original price $50.83
Original price
$50.83
$50.83 - $50.83
Current price $50.83

12-Point Nut, Chrome Moly Black Oxide 10mm X 1.25 Thread, 12mm Socket (2 Pack) (AR300-8353)

ARP
Original price $23.00 - Original price $23.00
Original price
$23.00
$23.00 - $23.00
Current price $23.00

10mm X 1.25 Thread, 12mm Socket (2 Pack) Part Number : AR300-8353 1= 10mm X 1.252= 10.2(.400")3= 15.9(.625")4= 12mm

Original price $23.00 - Original price $23.00
Original price
$23.00
$23.00 - $23.00
Current price $23.00

Ultra-Toque Assembly Lube 590 mil (20 oz) Bottle With Brush In Cap (AR100-9911)

ARP
Original price $73.14 - Original price $73.14
Original price
$73.14
$73.14 - $73.14
Current price $73.14

590 mil (20 oz) Bottle With Brush In Cap Part Number : AR100-9911 FASTENER ASSEMBLY LUBRICANT ARP Ultra-Torque fastener assembly lubr...

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Original price $73.14 - Original price $73.14
Original price
$73.14
$73.14 - $73.14
Current price $73.14

Flywheel Bolt Kit Ford 351 NASCAR V8 Use 3/4" Socket, 7/16-20 Thread x .925" UHL (AR350-2802)

ARP
Original price $43.13 - Original price $43.13
Original price
$43.13
$43.13 - $43.13
Current price $43.13

fits Ford 351 NASCAR V8 Use 3/4" Socket, 7/16-20 Thread x .925" UHL Part Number : AR350-2802 Flywheel and Flexplate bolts play an impo...

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Original price $43.13 - Original price $43.13
Original price
$43.13
$43.13 - $43.13
Current price $43.13

Exhaust Header Stud Kit, 12-Point Black Oxide SB Chrysler 340-360 & Hemi, (16) 3/8" Thread x 2.000" OAL (Provision For Blower Bracket) (AR245-1301)

ARP
Original price $214.13 - Original price $214.13
Original price
$214.13
$214.13 - $214.13
Current price $214.13

fits SB Chrysler 340-360 & Hemi, (16) 3/8" Thread x 2.000" OAL (Provision For Blower Bracket) Part Number : AR245-1301 Premium Gra...

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Original price $214.13 - Original price $214.13
Original price
$214.13
$214.13 - $214.13
Current price $214.13

Pressure Plate Bolt Kit, Hex Head Black Oxide GM LS Series (10" & 11" Clutch) .750" O.D, M10 X 1.5 Thread (AR134-2201)

ARP
Original price $50.14 - Original price $50.14
Original price
$50.14
$50.14 - $50.14
Current price $50.14

fits GM LS Series (10" & 11" Clutch) .750" O.D, M10 X 1.5 Thread Part Number : AR134-2201 The Importance Of Pressure Plate Bolts ...

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Original price $50.14 - Original price $50.14
Original price
$50.14
$50.14 - $50.14
Current price $50.14

Exhaust Header Bolt Kit, 12-Point Black Oxide SB Chev 3/8" Thread X .750" UHL (12 Pack) (AR100-1201)

ARP
Original price $42.09 - Original price $42.09
Original price
$42.09
$42.09 - $42.09
Current price $42.09

fits SB Chev 3/8" Thread X .750" UHL (12 Pack) Part Number : AR100-1201 Premium Grade Bolt And Stud Kits To Facilitate Installation Of...

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Original price $42.09 - Original price $42.09
Original price
$42.09
$42.09 - $42.09
Current price $42.09

Callies Compstar Series H-Beam Conrod Set - 7.100" Length with ARP L19 Bolts Suit Big Block Chevy 2.200" Pin, 0.990" Small End (CACSB7100ES3B9AH)

ARP
Original price $1,984.50 - Original price $1,984.50
Original price
$1,984.50
$1,984.50 - $1,984.50
Current price $1,984.50

Suit Big Block Chevy 2.200" Pin, 0.990" Small End Part Number : CACSB7100ES3B9AH Compstar engineering leads the way in High Value conn...

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Original price $1,984.50 - Original price $1,984.50
Original price
$1,984.50
$1,984.50 - $1,984.50
Current price $1,984.50

Main Bolt Kit, 2-Bolt Main Hex Head Ford 302-351 Cleveland (Oil Pickup Standoff Bolt Included) (AR154-5004)

ARP
Original price $135.12 - Original price $135.12
Original price
$135.12
$135.12 - $135.12
Current price $135.12

fits Ford 302-351 Cleveland (Oil Pickup Standoff Bolt Included) Part Number : AR154-5004 Far superior to any other main bolt kit offe...

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Original price $135.12 - Original price $135.12
Original price
$135.12
$135.12 - $135.12
Current price $135.12

Harmonic Balancer Bolt, 12-Point Black Oxide GM 7.0L LS7 & 6.2L LT1 M16 X 2.0 Thread x 5.185" UHL, 1-1/16" Socket (AR234-2504)

ARP
Original price $89.71 - Original price $89.71
Original price
$89.71
$89.71 - $89.71
Current price $89.71

fits GM 7.0L LS7 & 6.2L LT1 M16 X 2.0 Thread x 5.185" UHL, 1-1/16" Socket Part Number : AR234-2504 As the crankshaft flexes and tw...

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Original price $89.71 - Original price $89.71
Original price
$89.71
$89.71 - $89.71
Current price $89.71

Frequently Asked Questions

What products from ARP are in this collection?
This collection groups ARP products around engine fasteners, studs and hardware for high stress applications, making it easier to shop that brand by application, fitment and build goal.
Is ARP a good choice for performance builds?
ARP is widely chosen for enthusiasts who want proven parts rather than guesswork. The right product still depends on your vehicle, power target and how the car is used.
How do I confirm ARP compatibility with my setup?
Check the product listing for vehicle, engine or universal fitment notes. For custom or high horsepower builds, confirm supporting mods, dimensions and connection types before ordering.
Do ARP parts need supporting upgrades or tuning?
Some do. Fuel, turbo, ignition, ECU and driveline parts often work best with the right supporting hardware and, where relevant, professional tuning or setup.
Why buy ARP parts from 1320 Motorsports?
We focus on proven performance parts for real builds, so the aim is to help you choose the right ARP product for your combination instead of piecing together a setup blind.