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ARP

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.

Original price $23.46 - Original price $23.46
Original price
$23.46
$23.46 - $23.46
Current price $23.46

Special Purpose Washer

ARP

9/16" I.D, 1" O.D .120 Thick (10-Pack) Part Number : AR200-8535 A true high performance washer from ARP, available in a variety of siz...

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Original price $23.46 - Original price $23.46
Original price
$23.46
$23.46 - $23.46
Current price $23.46
Original price $8.97 - Original price $8.97
Original price
$8.97
$8.97 - $8.97
Current price $8.97

Flexplate Bolt Kit

ARP

fits Chev LS Series M11 x 1.5 x .880" UHL (Each) Part Number : AR244-2901-1 Flywheel and Flexplate bolts play an important role in the...

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Original price $8.97 - Original price $8.97
Original price
$8.97
$8.97 - $8.97
Current price $8.97
Original price $18.51 - Original price $18.51
Original price
$18.51
$18.51 - $18.51
Current price $18.51

Torque Converter Bolt Kit

ARP

fits Chrysler Torqueflite 727 & 904 With Production Converter, 5/16-24 Thread x .450" UHL Part Number : AR240-7301 You can forget ...

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Original price $18.51 - Original price $18.51
Original price
$18.51
$18.51 - $18.51
Current price $18.51
Original price $4.26 - Original price $4.26
Original price
$4.26
$4.26 - $4.26
Current price $4.26

Hex Jet Nut

ARP

3/8-24 fits Ford C4 Torque Converter Part Number : AR200-8104 For high stress, high temperature and severe vibration - all metal six p...

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Original price $4.26 - Original price $4.26
Original price
$4.26
$4.26 - $4.26
Current price $4.26
Original price $79.23 - Original price $79.23
Original price
$79.23
$79.23 - $79.23
Current price $79.23

Valve Cover Stud Kit, Hex Nut Black Oxide

ARP

fits Aluminium Valve Covers 1/4-20 Thread x 1.500" OAL (14-Pack) Part Number : AR200-7604 To ensure proper sealing of valve covers, AR...

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Original price $79.23 - Original price $79.23
Original price
$79.23
$79.23 - $79.23
Current price $79.23
Original price $480.93 - Original price $480.93
Original price
$480.93
$480.93 - $480.93
Current price $480.93

Conrod Bolt Set

ARP

fits Carrillo "H" Bolt & General Replacement Application, 7/16" Thread X 1.725" UHL (L19) Part Number : AR200-6203 Carrillo For H-...

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Original price $480.93 - Original price $480.93
Original price
$480.93
$480.93 - $480.93
Current price $480.93
Original price $49.57 - Original price $49.57
Original price
$49.57
$49.57 - $49.57
Current price $49.57

Carburettor Stud Kit, Hex Nut Black Oxide

ARP

fits Carburettor With 2" Spacer 5/16" Thread x 3.700" OAL (4-Piece) Part Number : AR200-2404 The Best Way To Make Sure That Carburetto...

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Original price $49.57 - Original price $49.57
Original price
$49.57
$49.57 - $49.57
Current price $49.57
Original price $34.04 - Original price $34.04
Original price
$34.04
$34.04 - $34.04
Current price $34.04

Timing Cover Bolt Kit, Hex Head Black Oxide

ARP

fits SB/BB Chev & V6 Part Number : AR200-1502 Studs Are Prefered By Many Pro Engine Builders Because They Eliminate The Chance Of ...

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Original price $34.04 - Original price $34.04
Original price
$34.04
$34.04 - $34.04
Current price $34.04
Original price $50.72 - Original price $50.72
Original price
$50.72
$50.72 - $50.72
Current price $50.72

Timing Cover Stud Kit, Hex Nut Black Oxide

ARP

fits SB/BB Chev & V6 Part Number : AR200-1401 Studs Are Prefered By Many Pro Engine Builders Because They Eliminate The Chance Of ...

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Original price $50.72 - Original price $50.72
Original price
$50.72
$50.72 - $50.72
Current price $50.72
Original price $219.42 - Original price $219.42
Original price
$219.42
$219.42 - $219.42
Current price $219.42

Head Stud Kit, Hex Nuts

ARP

fits Holden Commodore VS-VY 3.8L V6 Ecotec Part Number : AR193-4001 High Performance head bolts are available with a reduced wrenching...

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Original price $219.42 - Original price $219.42
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$219.42
$219.42 - $219.42
Current price $219.42
Original price $606.97 - Original price $606.97
Original price
$606.97
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Current price $606.97

Main Stud Kit

ARP

Suit Ford Modular V8 4.6L & 5.4L 3V with Windage Tray Part Number : AR156-5901 There are many important reasons to use ARP main st...

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Original price $606.97 - Original price $606.97
Original price
$606.97
$606.97 - $606.97
Current price $606.97
Original price $744.97 - Original price $744.97
Original price
$744.97
$744.97 - $744.97
Current price $744.97

Head Stud Kit, 12-Point Nuts

ARP

fits Ford Modular 4.6L & 5.4L 2V/4V Part Number : AR156-4301 CYLINDER HEAD STUDS It is for good reason that virtually every top p...

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Original price $744.97 - Original price $744.97
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$744.97
$744.97 - $744.97
Current price $744.97
Original price $89.47 - Original price $89.47
Original price
$89.47
$89.47 - $89.47
Current price $89.47

Harmonic Balancer Bolt, 12-Point Black Oxide

ARP

fits Ford 5.0L Coyote V8, M12 x 1.50 Thread X 4.200" UHL, Part Number : AR156-2502 HARMONIC BALANCER BOLT As the crankshaft flexes an...

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Original price $89.47 - Original price $89.47
Original price
$89.47
$89.47 - $89.47
Current price $89.47
Original price $74.52 - Original price $74.52
Original price
$74.52
$74.52 - $74.52
Current price $74.52

Harmonic Balancer Bolt, 12-Point Black Oxide

ARP

fits Ford 4.6L-5.4L Modular M12 X 1.50 Thread x 1.800" UHL Part Number : AR156-2501 As The Crankshaft Flexes And Twists, The Balancer ...

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Original price $74.52 - Original price $74.52
Original price
$74.52
$74.52 - $74.52
Current price $74.52
Original price $103.85 - Original price $103.85
Original price
$103.85
$103.85 - $103.85
Current price $103.85

12-Point Nut, Polished S/S

ARP

6mm X 1.00 Thread, 8mm Socket (10-Pack) Part Number : AR400-8390 Available in a variety of sizes to suit your needs, all ARP 12-point ...

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Original price $103.85 - Original price $103.85
Original price
$103.85
$103.85 - $103.85
Current price $103.85
Original price $123.51 - Original price $123.51
Original price
$123.51
$123.51 - $123.51
Current price $123.51

12-Point Nut, Polished S/S

ARP

10mm X 1.25 Thread, 12mm Socket (10-Pack) Part Number : AR400-8364 Available in a variety of sizes to suit your needs, all ARP 12-poin...

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Original price $123.51 - Original price $123.51
Original price
$123.51
$123.51 - $123.51
Current price $123.51
Original price $64.05 - Original price $64.05
Original price
$64.05
$64.05 - $64.05
Current price $64.05

12-Point Nut, Polished S/S

ARP

1/4" UNF Thread, 5/16" Socket (10-Pack) Part Number : AR400-8330 1= 1/4-282= .300"3= .433"4= 5/16"

Original price $64.05 - Original price $64.05
Original price
$64.05
$64.05 - $64.05
Current price $64.05
Original price $15.30 - Original price $15.30
Original price
$15.30
$15.30 - $15.30
Current price $15.30

12-Point Nut, Polished S/S

ARP

3/8" UNF Thread, 7/16" Socket (2-Pack) Part Number : AR400-8322 Available in a variety of sizes to suit your needs, all ARP 12-point n...

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Original price $15.30 - Original price $15.30
Original price
$15.30
$15.30 - $15.30
Current price $15.30
Original price $25.42 - Original price $25.42
Original price
$25.42
$25.42 - $25.42
Current price $25.42

Special Purpose Washer

ARP

M10 I.D, 3/4 O.D .115" Thick With Chamfer (10-Pack) Part Number : AR200-8745 A true high performance washer from ARP, available in a v...

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Original price $25.42 - Original price $25.42
Original price
$25.42
$25.42 - $25.42
Current price $25.42
Original price $4.37 - Original price $4.37
Original price
$4.37
$4.37 - $4.37
Current price $4.37

Special Purpose Washer

ARP

7/16" I.D, 7/8" O.D .120" Thick With No Chamfer (2-Pack) Part Number : AR200-8727 A true high performance washer from ARP, available i...

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Original price $4.37 - Original price $4.37
Original price
$4.37
$4.37 - $4.37
Current price $4.37
Original price $40.71 - Original price $40.71
Original price
$40.71
$40.71 - $40.71
Current price $40.71

12-Point Nut, Chrome Moly Black Oxide

ARP

5/16" UNF Thread, 3/8" Socket (10-Pack) Part Number : AR300-8331 1= 5/16"-282= .348"3= .526"4= 3/8"

Original price $40.71 - Original price $40.71
Original price
$40.71
$40.71 - $40.71
Current price $40.71
Original price $16.10 - Original price $16.10
Original price
$16.10
$16.10 - $16.10
Current price $16.10

12-Point Nut, Chrome Moly Black Oxide

ARP

1/2" UNF Thread, 9/16" Socket (2-Pack) Part Number : AR300-8324 Available in a variety of sizes to suit your needs, all ARP 12-point n...

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Original price $16.10 - Original price $16.10
Original price
$16.10
$16.10 - $16.10
Current price $16.10
Original price $8.39 - Original price $8.39
Original price
$8.39
$8.39 - $8.39
Current price $8.39

12-Point Nut, Chrome Moly Black Oxide

ARP

5/16" UNF Thread, 3/8" Socket (2-Pack) Part Number : AR300-8321 1= 5/16"-282= .348"3= .526"4= 3/8"

Original price $8.39 - Original price $8.39
Original price
$8.39
$8.39 - $8.39
Current price $8.39
Original price $64.98 - Original price $64.98
Original price
$64.98
$64.98 - $64.98
Current price $64.98

12-Point Nut, Polished S/S

ARP

1/4" UNC Thread, 5/16" Socket (10-Pack) Part Number : AR401-8340 Available in a variety of sizes to suit your needs, all ARP 12-point ...

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Original price $64.98 - Original price $64.98
Original price
$64.98
$64.98 - $64.98
Current price $64.98

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.