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ARP

ARP

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.

Head Stud Kit, 12-Point Nuts Nissan A14 Engines (AR202-4203)

ARP
$322.92 - $322.92
$322.92
$322.92 - $322.92
$322.92

fits Nissan A14 Engines Part Number : AR202-4203 It is for good reason that virtually every top professional engine builder relies on ...

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$322.92 - $322.92
$322.92
$322.92 - $322.92
$322.92

12-Point Nut, Chrome Moly Black Oxide 5/8" UNF Thread, 13/16" Socket (10-Pack) (AR300-8339)

ARP
$186.99 - $186.99
$186.99
$186.99 - $186.99
$186.99

5/8" UNF Thread, 13/16" Socket (10-Pack) Part Number : AR300-8339 1= 5/8"-182= .700"3= 1.225"4= 13/16"

$186.99 - $186.99
$186.99
$186.99 - $186.99
$186.99

12-Point Nut, Chrome Moly Black Oxide 12mm X 1.25 Thread, 16mm Socket (10 Pack) (AR300-8338)

ARP
$103.50 - $103.50
$103.50
$103.50 - $103.50
$103.50

12mm X 1.25 Thread, 16mm Socket (10 Pack) Part Number : AR300-8338 1= 12mm X 1.252= 13.5(.530")3= 22.2(.873")4= 16mm

$103.50 - $103.50
$103.50
$103.50 - $103.50
$103.50

12-Point Nut, Chrome Moly Black Oxide 12mm X 1.25 Thread, 14mm Socket (10 Pack) (AR300-8337)

ARP
$98.79 - $98.79
$98.79
$98.79 - $98.79
$98.79

12mm X 1.25 Thread, 14mm Socket (10 Pack) Part Number : AR300-8337 1= 12mm X 1.252= 12.8 (.504")3= 20.9(.823")4= 14mm

$98.79 - $98.79
$98.79
$98.79 - $98.79
$98.79

12-Point Nut, Chrome Moly Black Oxide 1/2" UNF Thread, 9/16" Socket (10-Pack) (AR300-8334)

ARP
$68.54 - $68.54
$68.54
$68.54 - $68.54
$68.54

1/2" UNF Thread, 9/16" Socket (10-Pack) Part Number : AR300-8334 Available in a variety of sizes to suit your needs, all ARP 12-point ...

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$68.54 - $68.54
$68.54
$68.54 - $68.54
$68.54

Special Purpose Washer 3/8" I.D, 3/4" O.D .120" Thick with No Chamfer, 10-Pack (AR200-8687)

ARP
$21.27 - $21.27
$21.27
$21.27 - $21.27
$21.27

3/8" I.D, 3/4" O.D .120" Thick with No Chamfer, 10-Pack Part Number : AR200-8687 A true high performance washer from ARP, available in...

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$21.27 - $21.27
$21.27
$21.27 - $21.27
$21.27

12-Point Nut, Chrome Moly Black Oxide 12mm X 1.25 Thread, 14mm Socket (2 Pack) (AR300-8327)

ARP
$23.92 - $23.92
$23.92
$23.92 - $23.92
$23.92

12mm X 1.25 Thread, 14mm Socket (2 Pack) Part Number : AR300-8327 1= 12mm X 1.252= 12.8(.504")3= 20.9(.823")4= 14mm

$23.92 - $23.92
$23.92
$23.92 - $23.92
$23.92

Perma Loc Posi Locks, 12-Point Black Oxide Girdle With 7/16" Stud, 1.485" Length (16 Pack) (AR300-8248)

ARP
$535.67 - $535.67
$535.67
$535.67 - $535.67
$535.67

fits Girdle With 7/16" Stud, 1.485" Length (16 Pack) Part Number : AR300-8248 A= 2.615"B= 1.485"C= .600"D= .750" Exclusive 12-point ...

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$535.67 - $535.67
$535.67
$535.67 - $535.67
$535.67

Nascar Speed Nuts 5/8"-18 Thread Size (10 Pack) (AR300-7801)

ARP
$61.41 - $61.41
$61.41
$61.41 - $61.41
$61.41

Part Number : AR300-7801 Unquestionably The Strongest Wheel Stud Used In Nascar Today, Practically Every Driver's Reputation Rides On The Relia...

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$61.41 - $61.41
$61.41
$61.41 - $61.41
$61.41

Main Bolt Kit, 2-Bolt Main Pro Series Subaru EJ20,22,25 SOHC/DOHC Crankcase Through Bolt Kit (AR260-5401)

ARP
$1,088.13 - $1,088.13
$1,088.13
$1,088.13 - $1,088.13
$1,088.13

fits Subaru EJ20,22,25 SOHC/DOHC Crankcase Through Bolt Kit Part Number : AR260-5401 Far superior to any other main bolt kit offered ...

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$1,088.13 - $1,088.13
$1,088.13
$1,088.13 - $1,088.13
$1,088.13

Camshaft Bolt Kit, Pro Series SB Ford 302-351 Windsor (1969-On) & BB Ford 429-460 3/8-16 x 1.580" UHL (AR255-1001)

ARP
$9.43 - $9.43
$9.43
$9.43 - $9.43
$9.43

fits SB Ford 302-351 Windsor (1969-On) & BB Ford 429-460 3/8-16 x 1.580" UHL Part Number : AR255-1001 Install An Arp Cam Bolt Kit ...

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$9.43 - $9.43
$9.43
$9.43 - $9.43
$9.43

5-Pack Bolt Kit, Hex Head S/S 3/8" UNC x 3.000" UHL With 3/8" Socket (AR623-3000)

ARP
$54.16 - $54.16
$54.16
$54.16 - $54.16
$54.16

3/8" UNC x 3.000" UHL With 3/8" Socket Part Number : AR623-3000 Now you can use premium quality ARP stainless steel or chrome moly fas...

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$54.16 - $54.16
$54.16
$54.16 - $54.16
$54.16

Flywheel Bolt Kit Chrysler SL6, 3.9L V6 & SB/BB 273-440 With 6-Bolt Crank 7/16-20 x .875" UHL (AR240-2801)

ARP
$43.47 - $43.47
$43.47
$43.47 - $43.47
$43.47

fits Chrysler SL6, 3.9L V6 & SB/BB 273-440 With 6-Bolt Crank 7/16-20 x .875" UHL Part Number : AR240-2801 Flywheel and Flexplate b...

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$43.47 - $43.47
$43.47
$43.47 - $43.47
$43.47

Harmonic Balancer Bolt, 12-Point Chrysler 318-440 With Thick Balancer & Viper V10, 3/4-16 Thread x 2.200" UHL, 1-1/16" Socket (AR240-2501)

ARP
$77.74 - $77.74
$77.74
$77.74 - $77.74
$77.74

fits Chrysler 318-440 With Thick Balancer & Viper V10, 3/4-16 Thread x 2.200" UHL, 1-1/16" Socket Part Number : AR240-2501 As the ...

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$77.74 - $77.74
$77.74
$77.74 - $77.74
$77.74

5-Pack Bolt Kit, Hex Head S/S 3/8" UNC x 2.000" UHL With 3/8" Socket (AR623-2000)

ARP
$49.80 - $49.80
$49.80
$49.80 - $49.80
$49.80

3/8" UNC x 2.000" UHL With 3/8" Socket Part Number : AR623-2000 Now You Can Use Premium Quality Arp Stainless Steel Fasteners To Inst...

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$49.80 - $49.80
$49.80
$49.80 - $49.80
$49.80

5-Pack Bolt Kit, Hex Head S/S 3/8" UNC x 1.750" UHL With 3/8" Socket (AR623-1750)

ARP
$47.84 - $47.84
$47.84
$47.84 - $47.84
$47.84

3/8" UNC x 1.750" UHL With 3/8" Socket Part Number : AR623-1750 Now you can use premium quality ARP stainless steel or chrome moly fas...

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$47.84 - $47.84
$47.84
$47.84 - $47.84
$47.84

5-Pack Bolt Kit, Hex Head S/S 3/8" UNC x 1.500" UHL With 3/8" Socket (AR623-1500)

ARP
$44.62 - $44.62
$44.62
$44.62 - $44.62
$44.62

3/8" UNC x 1.500" UHL With 3/8" Socket Part Number : AR623-1500 Now you can use premium quality ARP stainless steel or chrome moly fas...

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$44.62 - $44.62
$44.62
$44.62 - $44.62
$44.62

5-Pack Bolt Kit, Hex Head S/S 3/8" UNC x 1.250" UHL With 3/8" Socket (AR623-1250)

ARP
$33.12 - $33.12
$33.12
$33.12 - $33.12
$33.12

3/8" UNC x 1.250" UHL With 3/8" Socket Part Number : AR623-1250 Now you can use premium quality ARP stainless steel or chrome moly fas...

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$33.12 - $33.12
$33.12
$33.12 - $33.12
$33.12

5-Pack Bolt Kit, Hex Head S/S 3/8" UNC x .750" UHL With 3/8" Socket (AR623-0750)

ARP
$31.51 - $31.51
$31.51
$31.51 - $31.51
$31.51

3/8" UNC x .750" UHL With 3/8" Socket Part Number : AR623-0750 Now you can use premium quality ARP stainless steel or chrome moly fast...

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$31.51 - $31.51
$31.51
$31.51 - $31.51
$31.51

Head Stud Kit, 12-Point Nut BB Chev 454-502 With Iron Or Aluminium Heads (Under Cut) (AR235-4713)

ARP
$557.18 - $557.18
$557.18
$557.18 - $557.18
$557.18

fits BB Chev 454-502 With Iron Or Aluminium Heads (Under Cut) Part Number : AR235-4713 BB Chev Head Application Cast IronOEM Mark V ...

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$557.18 - $557.18
$557.18
$557.18 - $557.18
$557.18

5-Pack Bolt Kit, Hex Head S/S 5/16" UNC x 3.000" UHL With 3/8" Socket (AR622-3000)

ARP
$49.34 - $49.34
$49.34
$49.34 - $49.34
$49.34

5/16" UNC x 3.000" UHL With 3/8" Socket Part Number : AR622-3000 To compliment ARP "bulk" 5-pack chrome moly and stainless steel faste...

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$49.34 - $49.34
$49.34
$49.34 - $49.34
$49.34

Head Stud Kit, 12-Point Nut BB Chev With Iron Or Aluminium Heads (AR235-4317)

ARP
$610.19 - $610.19
$610.19
$610.19 - $610.19
$610.19

fits BB Chev With Iron Or Aluminium Heads Part Number : AR235-4317 BB Chev Head Application Late Bowtie World Products Merlin Iron...

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$610.19 - $610.19
$610.19
$610.19 - $610.19
$610.19

Head Stud Kit, 12-Point Nut BB Chev 454-502 With Iron Or Aluminium Heads (AR235-4313)

ARP
$567.30 - $567.30
$567.30
$567.30 - $567.30
$567.30

fits BB Chev 454-502 With Iron Or Aluminium Heads Part Number : AR235-4313 BB Chev Head Application Cast IronOEM Mark V Or Mark VI C...

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$567.30 - $567.30
$567.30
$567.30 - $567.30
$567.30

5-Pack Bolt Kit, Hex Head S/S 5/16" UNC x 2.000" UHL With 3/8" Socket (AR622-2000)

ARP
$43.93 - $43.93
$43.93
$43.93 - $43.93
$43.93

5/16" UNC x 2.000" UHL With 3/8" Socket Part Number : AR622-2000 Now you can use premium quality ARP stainless steel or chrome moly fa...

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$43.93 - $43.93
$43.93
$43.93 - $43.93
$43.93

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.