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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, 12-Point Head Black Oxide 3/8" UNF x 3.750" UHL With 3/8" Socket Head (AR742-3750)

ARP
Original price $37.72 - Original price $37.72
Original price
$37.72
$37.72 - $37.72
Current price $37.72

3/8" UNF x 3.750" UHL With 3/8" Socket Head Part Number : AR742-3750 Now you can use premium quality ARP stainless steel or chrome mol...

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Original price $37.72 - Original price $37.72
Original price
$37.72
$37.72 - $37.72
Current price $37.72

5-Pack Bolt Kit, 12-Point Head Black Oxide 3/8" UNF x 3.500" UHL With 3/8" Socket Head (AR742-3500)

ARP
Original price $36.34 - Original price $36.34
Original price
$36.34
$36.34 - $36.34
Current price $36.34

3/8" UNF x 3.500" UHL With 3/8" Socket Head Part Number : AR742-3500 To compliment ARP "bulk" 5-pack chrome moly and stainless steel f...

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Original price $36.34 - Original price $36.34
Original price
$36.34
$36.34 - $36.34
Current price $36.34

Head Stud Kit, 12-Point Nut BB Chev With Iron & Aluminium Heads (Under Cut) (AR235-4703)

ARP
Original price $641.82 - Original price $641.82
Original price
$641.82
$641.82 - $641.82
Current price $641.82

fits BB Chev With Iron & Aluminium Heads (Under Cut) Part Number : AR235-4703 BB Chev Head Application Late Bowtie Dart Merlin I...

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Original price $641.82 - Original price $641.82
Original price
$641.82
$641.82 - $641.82
Current price $641.82

5-Pack Bolt Kit, 12-Point Head S/S 3/8" UNF x 3.750" UHL With 3/8" Socket Head (AR713-3750)

ARP
Original price $65.78 - Original price $65.78
Original price
$65.78
$65.78 - $65.78
Current price $65.78

3/8" UNF x 3.750" UHL With 3/8" Socket Head Part Number : AR713-3750 Now you can use premium quality ARP stainless steel or chrome mol...

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Original price $65.78 - Original price $65.78
Original price
$65.78
$65.78 - $65.78
Current price $65.78

5-Pack Bolt Kit, 12-Point Head S/S 3/8" UNF x 3.000" UHL With 3/8" Socket Head (AR713-3000)

ARP
Original price $61.87 - Original price $61.87
Original price
$61.87
$61.87 - $61.87
Current price $61.87

3/8" UNF x 3.000" UHL With 3/8" Socket Head Part Number : AR713-3000 Now you can use premium quality ARP stainless steel or chrome mol...

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Original price $61.87 - Original price $61.87
Original price
$61.87
$61.87 - $61.87
Current price $61.87

5-Pack Bolt Kit, 12-Point Head S/S 3/8" UNF x 2.500" UHL With 3/8" Socket Head (AR713-2500)

ARP
Original price $55.89 - Original price $55.89
Original price
$55.89
$55.89 - $55.89
Current price $55.89

3/8" UNF x 2.500" UHL With 3/8" Socket Head Part Number : AR713-2500 To compliment ARP "bulk" 5-pack chrome moly and stainless steel f...

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Original price $55.89 - Original price $55.89
Original price
$55.89
$55.89 - $55.89
Current price $55.89

5-Pack Bolt Kit, 12-Point Head S/S 3/8" UNF x 2.000" UHL With 3/8" Socket Head (AR713-2000)

ARP
Original price $51.18 - Original price $51.18
Original price
$51.18
$51.18 - $51.18
Current price $51.18

3/8" UNF x 2.000" UHL With 3/8" Socket Head Part Number : AR713-2000 Now you can use premium quality ARP stainless steel or chrome mol...

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Original price $51.18 - Original price $51.18
Original price
$51.18
$51.18 - $51.18
Current price $51.18

12-Point Nut, Chrome Moly Black Oxide 10-32 Thread, 13/16" Socket (Each) (AR200-8617)

ARP
Original price $4.03 - Original price $4.03
Original price
$4.03
$4.03 - $4.03
Current price $4.03

10-32 Thread, 13/16" Socket (Each) Part Number : AR200-8617 12-POINT NUT 10-32 (1)

Original price $4.03 - Original price $4.03
Original price
$4.03
$4.03 - $4.03
Current price $4.03

5-Pack Bolt Kit, Hex Head Black Oxide 7/16" UNC x 3.750" UHL With 7/16" Socket Head (AR653-3750)

ARP
Original price $56.93 - Original price $56.93
Original price
$56.93
$56.93 - $56.93
Current price $56.93

7/16" UNC x 3.750" UHL With 7/16" Socket Head Part Number : AR653-3750 Now you can use premium quality ARP stainless steel or chrome m...

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Original price $56.93 - Original price $56.93
Original price
$56.93
$56.93 - $56.93
Current price $56.93

5-Pack Bolt Kit, 12-Point Head S/S 3/8" UNC x 5.000" UHL With 3/8" Socket Head (AR613-5000)

ARP
Original price $71.30 - Original price $71.30
Original price
$71.30
$71.30 - $71.30
Current price $71.30

3/8" UNC x 5.000" UHL With 3/8" Socket Head Part Number : AR613-5000 Now you can use premium quality ARP stainless steel or chrome mol...

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Original price $71.30 - Original price $71.30
Original price
$71.30
$71.30 - $71.30
Current price $71.30

5-Pack Bolt Kit, 12-Point Head S/S 3/8" UNC x 3.000" UHL With 3/8" Socket Head (AR613-3000)

ARP
Original price $58.88 - Original price $58.88
Original price
$58.88
$58.88 - $58.88
Current price $58.88

3/8" UNC x 3.000" UHL With 3/8" Socket Head Part Number : AR613-3000 Now you can use premium quality ARP stainless steel or chrome mol...

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Original price $58.88 - Original price $58.88
Original price
$58.88
$58.88 - $58.88
Current price $58.88

5-Pack Bolt Kit, 12-Point Head S/S 1/4" UNC x 1.750" UHL With 5/16" Socket Head (AR611-1750)

ARP
Original price $39.10 - Original price $39.10
Original price
$39.10
$39.10 - $39.10
Current price $39.10

1/4" UNC x 1.750" UHL With 5/16" Socket Head Part Number : AR611-1750 Now you can use premium quality ARP stainless steel or chrome mo...

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Original price $39.10 - Original price $39.10
Original price
$39.10
$39.10 - $39.10
Current price $39.10

5-Pack Bolt Kit, Hex Head Black Oxide 1/2" UNC x 1.250" UHL With 9/16" Socket Head (AR617-1250)

ARP
Original price $39.33 - Original price $39.33
Original price
$39.33
$39.33 - $39.33
Current price $39.33

1/2" UNC x 1.250" UHL With 9/16" Socket Head Part Number : AR617-1250 Now you can use premium quality ARP stainless steel or chrome mo...

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Original price $39.33 - Original price $39.33
Original price
$39.33
$39.33 - $39.33
Current price $39.33

Special Purpose Washer 7/16" I.D, 3/4" O.D .073" Thick With Chamfer (10-Pack) (AR200-8682)

ARP
Original price $23.23 - Original price $23.23
Original price
$23.23
$23.23 - $23.23
Current price $23.23

7/16" I.D, 3/4" O.D .073" Thick With Chamfer (10-Pack) Part Number : AR200-8682 A true high performance washer from ARP, available in ...

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Original price $23.23 - Original price $23.23
Original price
$23.23
$23.23 - $23.23
Current price $23.23

Special Purpose Washer 7/16" I.D, .675" O.D .062" Thick With Chamfer (10-Pack) (AR200-8681)

ARP
Original price $22.89 - Original price $22.89
Original price
$22.89
$22.89 - $22.89
Current price $22.89

7/16" I.D, .675" O.D .062" Thick With Chamfer (10-Pack) Part Number : AR200-8681 A true high performance washer from ARP, available in...

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Original price $22.89 - Original price $22.89
Original price
$22.89
$22.89 - $22.89
Current price $22.89

12-Point Nut, Chrome Moly Black Oxide 12mm X 1.25 Thread, 14mm Socket (2 Pack) (AR300-8328)

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

12mm X 1.25 Thread, 14mm Socket (2 Pack) Part Number : AR300-8328 1= 12mm X 1.252= 12.8(.504")3= 19.1(.750")4= 14mm

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

Rocker Arm Stud Kit Suit Dart Aluminium Heads (AR235-7202)

ARP
Original price $327.87 - Original price $327.87
Original price
$327.87
$327.87 - $327.87
Current price $327.87

Suit Dart Aluminium Heads Part Number : AR235-7202 B= 2.000"C= 1.3", .820"D= 1.000"E= 7/16-20F= 7/16-14

Original price $327.87 - Original price $327.87
Original price
$327.87
$327.87 - $327.87
Current price $327.87

Main Stud Kit, 2-Bolt Main 12-Point Nut Toyota 3.0L 7MGTE (1986-92) With Bolts For #3 Cap (AR203-5402)

ARP
Original price $417.80 - Original price $417.80
Original price
$417.80
$417.80 - $417.80
Current price $417.80

fits Toyota 3.0L 7MGTE (1986-92) With Bolts For #3 Cap Part Number : AR203-5402 There Are Many Important Reasons To Use Arp Main Stud ...

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Original price $417.80 - Original price $417.80
Original price
$417.80
$417.80 - $417.80
Current price $417.80

12-Point Nut, Chrome Moly Black Oxide 9mm X 1.00 Thread, 11mm Socket (10-Pack) (AR300-8361)

ARP
Original price $96.83 - Original price $96.83
Original price
$96.83
$96.83 - $96.83
Current price $96.83

9mm X 1.00 Thread, 11mm Socket (10-Pack) Part Number : AR300-8361 Available in a variety of sizes to suit your needs, all ARP 12-point...

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Original price $96.83 - Original price $96.83
Original price
$96.83
$96.83 - $96.83
Current price $96.83

5-Pack Bolt Kit, Hex Head S/S 1/4" UNC x 2.000" UHL With 5/16" Socket Head (AR621-2000)

ARP
Original price $28.29 - Original price $28.29
Original price
$28.29
$28.29 - $28.29
Current price $28.29

1/4" UNC x 2.000" UHL With 5/16" Socket Head Part Number : AR621-2000 Now you can use premium quality ARP stainless steel or chrome mo...

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Original price $28.29 - Original price $28.29
Original price
$28.29
$28.29 - $28.29
Current price $28.29

Hex Nut With Flange, Chrome Moly 11/32" UNF Thread x 1/2" Socket (2-Pack) (AR200-8623)

ARP
Original price $2.99 - Original price $2.99
Original price
$2.99
$2.99 - $2.99
Current price $2.99

11/32" UNF Thread x 1/2" Socket (2-Pack) Part Number : AR200-8623 Constructed from the finest aerospace-quality materials, these hex n...

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Original price $2.99 - Original price $2.99
Original price
$2.99
$2.99 - $2.99
Current price $2.99

5-Pack Bolt Kit, 12-Point Head Black Oxide 7/16" UNF x 3.000" UHL With 7/16" Socket Head (AR743-3000)

ARP
Original price $46.81 - Original price $46.81
Original price
$46.81
$46.81 - $46.81
Current price $46.81

7/16" UNF x 3.000" UHL With 7/16" Socket Head Part Number : AR743-3000 Now you can use premium quality ARP stainless steel or chrome...

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Original price $46.81 - Original price $46.81
Original price
$46.81
$46.81 - $46.81
Current price $46.81

5-Pack Bolt Kit, Hex Head Black Oxide 7/16" UNC x 2.750" UHL With 7/16" Socket Head (AR653-2750)

ARP
Original price $49.91 - Original price $49.91
Original price
$49.91
$49.91 - $49.91
Current price $49.91

7/16" UNC x 2.750" UHL With 7/16" Socket Head Part Number : AR653-2750 Now you can use premium quality ARP stainless steel or chrome m...

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Original price $49.91 - Original price $49.91
Original price
$49.91
$49.91 - $49.91
Current price $49.91

5-Pack Bolt Kit, Hex Head Black Oxide 1/4" UNC x 3.000" UHL With 5/16" Socket Head (AR650-3000)

ARP
Original price $29.91 - Original price $29.91
Original price
$29.91
$29.91 - $29.91
Current price $29.91

1/4" UNC x 3.000" UHL With 5/16" Socket Head Part Number : AR650-3000 Now you can use premium quality ARP stainless steel or chrome mo...

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Original price $29.91 - Original price $29.91
Original price
$29.91
$29.91 - $29.91
Current price $29.91

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.