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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.

12-Point Nut, Chrome Moly Black Oxide 1/2" UNF Thread, 9/16" Socket (2-Pack) (AR300-8324)

ARP
Original price $16.10 - Original price $16.10
Original price
$16.10
$16.10 - $16.10
Current price $16.10

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

12-Point Nut, Chrome Moly Black Oxide 5/16" UNF Thread, 3/8" Socket (2-Pack) (AR300-8321)

ARP
Original price $8.39 - Original price $8.39
Original price
$8.39
$8.39 - $8.39
Current price $8.39

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

12-Point Nut, Polished S/S 1/4" UNC Thread, 5/16" Socket (10-Pack) (AR401-8340)

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

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

Balancer Bolt M14 x 1.5mm, 12-Point Suit Mitsubishi 4G63 2.0L (AR207-2501)

ARP
Original price $95.79 - Original price $95.79
Original price
$95.79
$95.79 - $95.79
Current price $95.79

Suit Mitsubishi 4G63 2.0L Part Number : AR207-2501 As the crankshaft flexes and twists, the balancer absorbs incredible amounts of kin...

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Original price $95.79 - Original price $95.79
Original price
$95.79
$95.79 - $95.79
Current price $95.79

Conrod Bolt Set Honda 1.2L, 1.6L & 1.8L, M8 (AR208-6001)

ARP
Original price $106.26 - Original price $106.26
Original price
$106.26
$106.26 - $106.26
Current price $106.26

fits Honda 1.2L, 1.6L & 1.8L, M8 Part Number : AR208-6001 Arp® Manufactures Replacement Rod Bolts For Many Popular Import And Dome...

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Original price $106.26 - Original price $106.26
Original price
$106.26
$106.26 - $106.26
Current price $106.26

Head Stud Kit, 12-Point Nut Honda 1.6L D16Z Only, 10mm (AR208-4301)

ARP
Original price $379.85 - Original price $379.85
Original price
$379.85
$379.85 - $379.85
Current price $379.85

fits Honda 1.6L D16Z Only, 10mm Part Number : AR208-4301 It Is For Good Reason That Virtually Every Top Professional Engine Builder Re...

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Original price $379.85 - Original price $379.85
Original price
$379.85
$379.85 - $379.85
Current price $379.85

S/S Blower Pulley Kit, 12-Point Head 6-71 & 8-71 Supercharger 3/8" x 1.000" UHL (AR400-0601)

ARP
Original price $53.71 - Original price $53.71
Original price
$53.71
$53.71 - $53.71
Current price $53.71

fits 6-71 & 8-71 Supercharger 3/8" x 1.000" UHL Part Number : AR400-0601 Now you can use premium quality ARP stainless steel or ch...

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Original price $53.71 - Original price $53.71
Original price
$53.71
$53.71 - $53.71
Current price $53.71

Conrod Bolt Set Nissan 3.0L VG30D / VG30DET / VG30DETT DOHC V6, 11/32" (AR202-6004)

ARP
Original price $183.08 - Original price $183.08
Original price
$183.08
$183.08 - $183.08
Current price $183.08

fits Nissan 3.0L VG30D / VG30DET / VG30DETT DOHC V6, 11/32" Part Number : AR202-6004 Unquestionably The Most Important Fasteners In An...

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Original price $183.08 - Original price $183.08
Original price
$183.08
$183.08 - $183.08
Current price $183.08

12-Point Nuts Nissan RB26DETT 12mm (AR202-4208)

ARP
Original price $2,005.94 - Original price $2,005.94
Original price
$2,005.94
$2,005.94 - $2,005.94
Current price $2,005.94

Nissan RB26DETT 12mm Part Number : AR202-4208 It is for good reason that virtually every top professional engine builder relies on ARP...

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Original price $2,005.94 - Original price $2,005.94
Original price
$2,005.94
$2,005.94 - $2,005.94
Current price $2,005.94

Intake Manifold Bolt Kit, Hex Stainless Suit GM LS Series with Edlelbrock Intake (AR430-2002)

ARP
Original price $95.34 - Original price $95.34
Original price
$95.34
$95.34 - $95.34
Current price $95.34

Suit GM LS Series with Edlelbrock Intake Part Number : AR430-2002 Prevent intake manifold leaks with ARP's quality fasteners. They're ...

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Original price $95.34 - Original price $95.34
Original price
$95.34
$95.34 - $95.34
Current price $95.34

12-Point Nut, Polished S/S 7/16" UNC Thread, 1/2" Socket (10-Pack) (AR401-8346)

ARP
Original price $71.42 - Original price $71.42
Original price
$71.42
$71.42 - $71.42
Current price $71.42

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

Original price $71.42 - Original price $71.42
Original price
$71.42
$71.42 - $71.42
Current price $71.42

12-Point Nut, Polished S/S 5/16" UNC Thread, 3/8" Socket (10-Pack) (AR401-8343)

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

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

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

Main Stud Kit, 4-Bolt Main Chev LT1 6.2L (2013-On) Side Bolts Included (AR234-5802)

ARP
Original price $524.98 - Original price $524.98
Original price
$524.98
$524.98 - $524.98
Current price $524.98

fits Chev LT1 6.2L (2013-On) Side Bolts Included Part Number : AR234-5802 There are many important reasons to use ARP main stud kits, ...

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Original price $524.98 - Original price $524.98
Original price
$524.98
$524.98 - $524.98
Current price $524.98

Head Stud Kit, 12-Point Nut BB Chev with Aeroflow & Performer RPM Aluminium Heads (AR235-4318)

ARP
Original price $538.09 - Original price $538.09
Original price
$538.09
$538.09 - $538.09
Current price $538.09

Fits BB Chev with Aeroflow & Performer RPM Aluminium Heads Part Number : AR235-4318 BB Chev Head Application Cast IronOEM Mark V...

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Original price $538.09 - Original price $538.09
Original price
$538.09
$538.09 - $538.09
Current price $538.09

Pressure Plate Bolt Kit, Pro Series SB/BB Chev, 3/8-16 Thread (AR230-2202)

ARP
Original price $65.55 - Original price $65.55
Original price
$65.55
$65.55 - $65.55
Current price $65.55

fits SB/BB Chev, 3/8-16 Thread Part Number : AR230-2202 The Importance Of Pressure Plate Bolts In A Racing Or Hi-performance Street A...

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Original price $65.55 - Original price $65.55
Original price
$65.55
$65.55 - $65.55
Current price $65.55

Carburettor Stud Kit, Hex Nut S/S Carburettor With 1/2" Spacer 5/16" Thread x 2.225" OAL (4-Piece) (AR400-2403)

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

fits Carburettor With 1/2" Spacer 5/16" Thread x 2.225" OAL (4-Piece) Part Number : AR400-2403 The Best Way To Make Sure That Carburet...

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

12-Point Nut, Polished S/S 10mm X 1.50 Thread, 12mm Socket (10-Pack) (AR400-8365)

ARP
Original price $123.17 - Original price $123.17
Original price
$123.17
$123.17 - $123.17
Current price $123.17

10mm X 1.50 Thread, 12mm Socket (10-Pack) Part Number : AR400-8365 Available in a variety of sizes to suit your needs, all ARP 12-poin...

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Original price $123.17 - Original price $123.17
Original price
$123.17
$123.17 - $123.17
Current price $123.17

Head Stud Kit, 12-Point Nut SB Chev With Brodix -12 & 18° Heads (AR234-4303)

ARP
Original price $560.40 - Original price $560.40
Original price
$560.40
$560.40 - $560.40
Current price $560.40

fits SB Chev With Brodix -12 & 18° Heads Part Number : AR234-4303 It Is For Good Reason That Virtually Every Top Professional Engi...

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Original price $560.40 - Original price $560.40
Original price
$560.40
$560.40 - $560.40
Current price $560.40

Head Stud Kit, 12-Point Nut Chev Gen III LS Series (2004-On) Studs All Same Length (AR234-4317)

ARP
Original price $820.99 - Original price $820.99
Original price
$820.99
$820.99 - $820.99
Current price $820.99

fits Chev Gen III LS Series (2004-On) Studs All Same Length Part Number : AR234-4317 It is for good reason that virtually every top pr...

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Original price $820.99 - Original price $820.99
Original price
$820.99
$820.99 - $820.99
Current price $820.99

Oil Pump Stud, 12-Point Nut SB Chev (AR230-7002)

ARP
Original price $15.76 - Original price $15.76
Original price
$15.76
$15.76 - $15.76
Current price $15.76

fits SB Chev Part Number : AR230-7002 Arp's Premium Grade Oil Pump Bolt And Stud Kits In Black Oxide Finished 8740 Chrome Moly. Rated ...

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Original price $15.76 - Original price $15.76
Original price
$15.76
$15.76 - $15.76
Current price $15.76

Perma Loc Posi Locks, 12-Point Black Oxide 3/8" Stud With .550" Body O.D, fits Aluminium Rockers (16 Pack) (AR300-8243)

ARP
Original price $202.63 - Original price $202.63
Original price
$202.63
$202.63 - $202.63
Current price $202.63

3/8" Stud With .550" Body O.D, fits Aluminium Rockers (16 Pack) Part Number : AR300-8243 A= 1.200"D= .550" Exclusive 12-point head P...

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Original price $202.63 - Original price $202.63
Original price
$202.63
$202.63 - $202.63
Current price $202.63

Oil Pan Stud Kit, Hex Nut Black Oxide SB Chev (With Standard 2-Piece Pan Gasket) (AR234-1901)

ARP
Original price $120.52 - Original price $120.52
Original price
$120.52
$120.52 - $120.52
Current price $120.52

fits SB Chev (With Standard 2-Piece Pan Gasket) Part Number : AR234-1901 The engineers at ARP spent quite a bit of time developing the...

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Original price $120.52 - Original price $120.52
Original price
$120.52
$120.52 - $120.52
Current price $120.52

Flywheel Bolt Kit Honda 1.6L, 1.7L, 1.8L & 2.0L DOHC, B Series (8-Pieces) M12 X 1.0 Thread x .890" UHL (AR208-2802)

ARP
Original price $154.33 - Original price $154.33
Original price
$154.33
$154.33 - $154.33
Current price $154.33

fits Honda 1.6L, 1.7L, 1.8L & 2.0L DOHC, B Series (8-Pieces) M12 X 1.0 Thread x .890" UHL Part Number : AR208-2802 Arp Replacement...

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Original price $154.33 - Original price $154.33
Original price
$154.33
$154.33 - $154.33
Current price $154.33

Head Stud Kit, 12-Point Nut Mitsubishi 2.0L 4G63 (1994-07) M11 (Custom Age) (AR207-4302)

ARP
Original price $1,060.42 - Original price $1,060.42
Original price
$1,060.42
$1,060.42 - $1,060.42
Current price $1,060.42

fits Mitsubishi 2.0L 4G63 (1994-07) M11 (Custom Age) Part Number : AR207-4302 It is for good reason that virtually every top professio...

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Original price $1,060.42 - Original price $1,060.42
Original price
$1,060.42
$1,060.42 - $1,060.42
Current price $1,060.42

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.