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ARP Automotive Racing Products

ARP Automotive Racing Products

ARP Automotive Racing Products

Browse ARP Automotive Racing Products 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.
$14.38 - $14.38
$14.38
$14.38 - $14.38
$14.38

12-Point Nut, Polished S/S

ARP

1/4" UNC Thread, 5/16" Socket (2-Pack) Part Number : AR401-8320 Available in a variety of sizes to suit your needs, all ARP 12-point n...

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$14.38 - $14.38
$14.38
$14.38 - $14.38
$14.38
$15.18 - $15.18
$15.18
$15.18 - $15.18
$15.18

12-Point Nut, Polished S/S

ARP

5/16" UNF Thread, 3/8" Socket (2-Pack) Part Number : AR400-8321 Available in a variety of sizes to suit your needs, all ARP 12-point n...

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$15.18 - $15.18
$15.18
$15.18 - $15.18
$15.18
$65.90 - $65.90
$65.90
$65.90 - $65.90
$65.90

12-Point Nut, Polished S/S

ARP

5/16" UNF Thread, 3/8" Socket (10-Pack) Part Number : AR400-8331 Available in a variety of sizes to suit your needs, all ARP 12-point ...

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$65.90 - $65.90
$65.90
$65.90 - $65.90
$65.90
$29.55 - $29.55
$29.55
$29.55 - $29.55
$29.55

12-Point Nut, Polished S/S

ARP

10mm X 1.00 Thread, 12mm Socket (2-Pack) Part Number : AR401-8331 Available in a variety of sizes to suit your needs, all ARP 12-point...

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$29.55 - $29.55
$29.55
$29.55 - $29.55
$29.55
$29.55 - $29.55
$29.55
$29.55 - $29.55
$29.55

12-Point Nut, Polished S/S

ARP

10mm X 1.25 Thread, 12mm Socket (2-Pack) Part Number : AR400-8354 Available in a variety of sizes to suit your needs, all ARP 12-point...

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$29.55 - $29.55
$29.55
$29.55 - $29.55
$29.55
$64.98 - $64.98
$64.98
$64.98 - $64.98
$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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$64.98 - $64.98
$64.98
$64.98 - $64.98
$64.98
$15.30 - $15.30
$15.30
$15.30 - $15.30
$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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$15.30 - $15.30
$15.30
$15.30 - $15.30
$15.30
$64.05 - $64.05
$64.05
$64.05 - $64.05
$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"

$64.05 - $64.05
$64.05
$64.05 - $64.05
$64.05
$123.51 - $123.51
$123.51
$123.51 - $123.51
$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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$123.51 - $123.51
$123.51
$123.51 - $123.51
$123.51
$103.85 - $103.85
$103.85
$103.85 - $103.85
$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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$103.85 - $103.85
$103.85
$103.85 - $103.85
$103.85
$71.76 - $71.76
$71.76
$71.76 - $71.76
$71.76

12-Point Nut, Polished S/S

ARP

7/16" UNF Thread, 1/2" Socket (10-Pack) Part Number : AR400-8333 1= 7/16-202= .432"3= .700"4= 1/2"

$71.76 - $71.76
$71.76
$71.76 - $71.76
$71.76
$64.52 - $64.52
$64.52
$64.52 - $64.52
$64.52

12-Point Nut, Polished S/S

ARP

5/16" UNC Thread, 3/8" Socket (10-Pack) Part Number : AR401-8343 1= 5/16-182= .348"3= .526"4= 3/8"

$64.52 - $64.52
$64.52
$64.52 - $64.52
$64.52
$71.42 - $71.42
$71.42
$71.42 - $71.42
$71.42

12-Point Nut, Polished S/S

ARP

7/16" UNC Thread, 1/2" Socket (10-Pack) Part Number : AR401-8346 1= 7/16-182= .433"3= .700"4= 1/2"

$71.42 - $71.42
$71.42
$71.42 - $71.42
$71.42
$14.73 - $14.73
$14.73
$14.73 - $14.73
$14.73

12-Point Nut, Polished S/S

ARP

10mm X 1.25 Thread, 12mm Socket (Single Nut) Part Number : AR400-8344 1= 10mm X 1.252= 10.2(.400")3= 17.8(.700")4= 14mm

$14.73 - $14.73
$14.73
$14.73 - $14.73
$14.73
$65.67 - $65.67
$65.67
$65.67 - $65.67
$65.67

12-Point Nut, Polished S/S

ARP

3/8" UNC Thread, 7/16" Socket (10 Pack) Part Number : AR401-8341 1= 3/8-162= .390"3= .625"4= 7/16"

$65.67 - $65.67
$65.67
$65.67 - $65.67
$65.67
$66.93 - $66.93
$66.93
$66.93 - $66.93
$66.93

12-Point Nut, Polished S/S

ARP

3/8" UNF Thread, 7/16" Socket (2-Pack) Part Number : AR400-8332 Available in a variety of sizes to suit your needs, all ARP 12-poin...

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$66.93 - $66.93
$66.93
$66.93 - $66.93
$66.93
$23.22 - $23.22
$23.22
$23.22 - $23.22
$23.22

12-Point Nut, Polished S/S

ARP

1/2" UNF Thread, 9/16" Socket (2-Pack) Part Number : AR400-8324 Available in a variety of sizes to suit your needs, all ARP 12-point n...

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$23.22 - $23.22
$23.22
$23.22 - $23.22
$23.22
$99.48 - $99.48
$99.48
$99.48 - $99.48
$99.48

12-Point Nut, Polished S/S

ARP

1/2" UNC Thread, 9/16" Socket (10-Pack) Part Number : AR401-8342 1= 1/2-132= .510"3= .823"4= 9/16"

$99.48 - $99.48
$99.48
$99.48 - $99.48
$99.48
$29.56 - $29.56
$29.56
$29.56 - $29.56
$29.56

12-Point Nut, Polished S/S

ARP

8mm X 1.25 Thread, 10mm Socket (2-Pack) Part Number : AR400-8311 Available in a variety of sizes to suit your needs, all ARP 12-point ...

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$29.56 - $29.56
$29.56
$29.56 - $29.56
$29.56
$124.89 - $124.89
$124.89
$124.89 - $124.89
$124.89

12-Point Nut, Polished S/S

ARP

8mm X 1.25 Thread, 10mm Socket (10-Pack) Part Number : AR400-8312 Available in a variety of sizes to suit your needs, all ARP 12-point...

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$124.89 - $124.89
$124.89
$124.89 - $124.89
$124.89
$15.41 - $15.41
$15.41
$15.41 - $15.41
$15.41

12-Point Nut, Polished S/S

ARP

3/8" UNC Thread, 7/16" Socket (2 Pack) Part Number : AR401-8321 1= 3/8-162= .390"3= .625"4= 7/16"

$15.41 - $15.41
$15.41
$15.41 - $15.41
$15.41
$64.05 - $64.05
$64.05
$64.05 - $64.05
$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"

$64.05 - $64.05
$64.05
$64.05 - $64.05
$64.05
$15.06 - $15.06
$15.06
$15.06 - $15.06
$15.06

12-Point Nut, Polished S/S

ARP

5/16" UNC Thread, 3/8" Socket (2-Pack) Part Number : AR401-8323 Available in a variety of sizes to suit your needs, all ARP 12...

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$15.06 - $15.06
$15.06
$15.06 - $15.06
$15.06
$126.73 - $126.73
$126.73
$126.73 - $126.73
$126.73

12-Point Nut, Polished S/S

ARP

10mm X 1.00 Thread, 12mm Socket (10-Pack) Part Number : AR401-8351 Available in a variety of sizes to suit your needs, all ARP 12-poin...

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$126.73 - $126.73
$126.73
$126.73 - $126.73
$126.73

Frequently Asked Questions

What products from ARP Automotive Racing Products are in this collection?
This collection groups ARP Automotive Racing Products 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 Automotive Racing Products a good choice for performance builds?
ARP Automotive Racing Products 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 Automotive Racing Products 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 Automotive Racing Products 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 Automotive Racing Products parts from 1320 Motorsports?
We focus on proven performance parts for real builds, so the aim is to help you choose the right ARP Automotive Racing Products product for your combination instead of piecing together a setup blind.