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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.

Head Stud Kit, 12-Point Nut Mitsubishi 2.6L G54B (AR207-4202)

ARP
Original price $345.35 - Original price $345.35
Original price
$345.35
$345.35 - $345.35
Current price $345.35

fits Mitsubishi 2.6L G54B Part Number : AR207-4202 It Is For Good Reason That Virtually Every Top Professional Engine Builder Relies O...

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Original price $345.35 - Original price $345.35
Original price
$345.35
$345.35 - $345.35
Current price $345.35

Head Stud Kit, 12-Point Nut Mitsubishi 2.0L 4G63 DOHC (1993 & Earlier) M12

ARP
Original price $292.79 - Original price $292.79
Original price
$292.79
$292.79 - $292.79
Current price $292.79

fits Mitsubishi 2.0L 4G63 DOHC (1993 & Earlier) M12 Part Number ; AR207-4201 It Is For Good Reason That Virtually Every Top P...

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Original price $292.79 - Original price $292.79
Original price
$292.79
$292.79 - $292.79
Current price $292.79

Head Stud Kit, 12-Point Nut BMC / Triumph B Series (AR206-4202)

ARP
Original price $286.35 - Original price $286.35
Original price
$286.35
$286.35 - $286.35
Current price $286.35

fits BMC / Triumph B Series Part Number : AR206-4202 It Is For Good Reason That Virtually Every Top Professional Engine Builder Relies...

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Original price $286.35 - Original price $286.35
Original price
$286.35
$286.35 - $286.35
Current price $286.35

Conrod Bolt Set Holden 6cyl 186-202 With 5/16" Bolt (AR205-6003)

ARP
Original price $155.71 - Original price $155.71
Original price
$155.71
$155.71 - $155.71
Current price $155.71

fits Holden 6cyl 186-202 With 5/16" Bolt Part Number : AR205-6003 Arp® Manufactures Replacement Rod Bolts For Many Popular Import And ...

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Original price $155.71 - Original price $155.71
Original price
$155.71
$155.71 - $155.71
Current price $155.71

Head Stud Kit, 12-Point Nut Holden 253-304-308 With 12 Bolt Head (Carburetted), Hemi 6cyl & Ford 6cyl X-Flow (Under Cut) (AR205-4601)

ARP
Original price $516.47 - Original price $516.47
Original price
$516.47
$516.47 - $516.47
Current price $516.47

fits Holden 253-304-308 With 12 Bolt Head (Carburetted), Hemi 6cyl & Ford 6cyl X-Flow (Under Cut) Part Number : AR205-4601 I...

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Original price $516.47 - Original price $516.47
Original price
$516.47
$516.47 - $516.47
Current price $516.47

Head Stud Kit, Hex Nut Holden 3.8L V6 Non Ecotec VN-VR 7/16" (AR205-4002)

ARP
Original price $217.70 - Original price $217.70
Original price
$217.70
$217.70 - $217.70
Current price $217.70

fits Holden 3.8L V6 Non Ecotec VN-VR 7/16" Part Number : AR205-4002 It Is For Good Reason That Virtually Every Top Professional Engine...

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Original price $217.70 - Original price $217.70
Original price
$217.70
$217.70 - $217.70
Current price $217.70

Flywheel Bolt Kit Ford V8 With Tilton Flywheel, Use 1/2" Socket, 7/16-20 Thread x .950" UHL (AR350-2801)

ARP
Original price $88.43 - Original price $88.43
Original price
$88.43
$88.43 - $88.43
Current price $88.43

fits Ford V8 With Tilton Flywheel, Use 1/2" Socket, 7/16-20 Thread x .950" UHL Part Number : AR350-2801 Arp Replacement Bolts Are Forg...

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Original price $88.43 - Original price $88.43
Original price
$88.43
$88.43 - $88.43
Current price $88.43

Main Stud Kit, 2-Bolt Main 12-Point Nut Toyota 3.0L 2JZGE / 2JZGTE (1993-98) (AR203-5405)

ARP
Original price $420.10 - Original price $420.10
Original price
$420.10
$420.10 - $420.10
Current price $420.10

fits Toyota 3.0L 2JZGE / 2JZGTE (1993-98) Part Number : AR203-5405 There Are Many Important Reasons To Use Arp Main Stud Kits, Includi...

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Original price $420.10 - Original price $420.10
Original price
$420.10
$420.10 - $420.10
Current price $420.10

Main Stud Kit, 2-Bolt Main 12-Point Nut Toyota 1.6L 4AGE 16V / 20V DOHC (AR203-5403)

ARP
Original price $304.98 - Original price $304.98
Original price
$304.98
$304.98 - $304.98
Current price $304.98

fits Toyota 1.6L 4AGE 16V / 20V DOHC Part Number : AR203-5403 There Are Many Important Reasons To Use Arp Main Stud Kits, Including Th...

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Original price $304.98 - Original price $304.98
Original price
$304.98
$304.98 - $304.98
Current price $304.98

12-Point Nut, Chrome Moly Black Oxide 7/16" UNC Thread, 1/2" Socket (10-Pack) (AR301-8346)

ARP
Original price $48.07 - Original price $48.07
Original price
$48.07
$48.07 - $48.07
Current price $48.07

7/16" UNC Thread, 1/2" Socket (10-Pack) Part Number : AR301-8346 Available in a variety of sizes to suit your needs, all ARP 12-point ...

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Original price $48.07 - Original price $48.07
Original price
$48.07
$48.07 - $48.07
Current price $48.07

12-Point Nut, Chrome Moly Black Oxide 5/16" UNC Thread, 3/8" Socket (10-Pack) (AR301-8343)

ARP
Original price $41.75 - Original price $41.75
Original price
$41.75
$41.75 - $41.75
Current price $41.75

5/16" UNC Thread, 3/8" Socket (10-Pack) Part Number : AR301-8343 1= 5/16"-182= .348"3= .526"4= 3/8"

Original price $41.75 - Original price $41.75
Original price
$41.75
$41.75 - $41.75
Current price $41.75

12-Point Nut, Chrome Moly Black Oxide 1/2" UNC Thread, 9/16" Socket (2-Pack) (AR301-8342)

ARP
Original price $68.77 - Original price $68.77
Original price
$68.77
$68.77 - $68.77
Current price $68.77

1/2" UNC Thread, 9/16" Socket (2-Pack) Part Number : AR301-8342 1= 1/2"-132= .510"3= .823"4= 9/16"

Original price $68.77 - Original price $68.77
Original price
$68.77
$68.77 - $68.77
Current price $68.77

Head Stud Kit, 12-Point Nuts Toyota 4AGE 1.6L 20V (AR203-4304)

ARP
Original price $430.33 - Original price $430.33
Original price
$430.33
$430.33 - $430.33
Current price $430.33

fits Toyota 4AGE 1.6L 20V Part Number : AR203-4304 It is for good reason that virtually every top professional engine builder relies o...

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Original price $430.33 - Original price $430.33
Original price
$430.33
$430.33 - $430.33
Current price $430.33

Head Stud Kit, 12-Point Nuts Toyota Supra 3.0L 2JZGE/GTE Inline 6cyl, 1993-98 (Custom Age 625+) (AR203-4301)

ARP
Original price $1,299.39 - Original price $1,299.39
Original price
$1,299.39
$1,299.39 - $1,299.39
Current price $1,299.39

fits Toyota Supra 3.0L 2JZGE/GTE Inline 6cyl, 1993-98 (Custom Age 625+) Part Number : AR203-4301 It is for good reason that virtually ...

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Original price $1,299.39 - Original price $1,299.39
Original price
$1,299.39
$1,299.39 - $1,299.39
Current price $1,299.39

12-Point Nut, Chrome Moly Black Oxide 5/16" UNC Thread, 3/8" Socket (2-Pack) (AR301-8323)

ARP
Original price $8.51 - Original price $8.51
Original price
$8.51
$8.51 - $8.51
Current price $8.51

5/16" UNC Thread, 3/8" Socket (2-Pack) Part Number : AR301-8323 1= 5/16"-182= .348"3= .526"4= 3/8"

Original price $8.51 - Original price $8.51
Original price
$8.51
$8.51 - $8.51
Current price $8.51

Head Stud Kit, 12-Point Nut 1.6L 4AGE 16V DOHC (AR203-4203)

ARP
Original price $301.65 - Original price $301.65
Original price
$301.65
$301.65 - $301.65
Current price $301.65

fits 1.6L 4AGE 16V DOHC Part Number : AR203-4203 It Is For Good Reason That Virtually Every Top Professional Engine Builder Relies On ...

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Original price $301.65 - Original price $301.65
Original price
$301.65
$301.65 - $301.65
Current price $301.65

Head Stud Kit, 12-Point Nut 3.0L 7MGE / 7MGTE 6cyl Supra (1981-92) (AR203-4202)

ARP
Original price $414.69 - Original price $414.69
Original price
$414.69
$414.69 - $414.69
Current price $414.69

fits 3.0L 7MGE / 7MGTE 6cyl Supra (1981-92) Part Number : AR203-4202 It Is For Good Reason That Virtually Every Top Professional Engin...

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Original price $414.69 - Original price $414.69
Original price
$414.69
$414.69 - $414.69
Current price $414.69

12-Point Nut, Chrome Moly Black Oxide 1/4" UNC Thread, 5/16" Socket (2-Pack) (AR301-8320)

ARP
Original price $7.82 - Original price $7.82
Original price
$7.82
$7.82 - $7.82
Current price $7.82

1/4" UNC Thread, 5/16" Socket (2-Pack) Part Number : AR301-8320 1= 1/4"-202= .300"3= .433"4= 5/16"

Original price $7.82 - Original price $7.82
Original price
$7.82
$7.82 - $7.82
Current price $7.82

Main Stud Kit, 2-Bolt Main, 12-Point Nut Nissan / Datsun L20 & CA18DET FWD With Girdle (AR202-5401)

ARP
Original price $267.26 - Original price $267.26
Original price
$267.26
$267.26 - $267.26
Current price $267.26

fits Nissan / Datsun L20 & CA18DET FWD With Girdle Part Number : AR202-5401 There Are Many Important Reasons To Use Arp Main Stud ...

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Original price $267.26 - Original price $267.26
Original price
$267.26
$267.26 - $267.26
Current price $267.26

12-Point Nut, Chrome Moly Black Oxide 10mm X 1.50 Thread, 12mm Socket (10-Pack) (AR300-8365)

ARP
Original price $96.26 - Original price $96.26
Original price
$96.26
$96.26 - $96.26
Current price $96.26

10mm X 1.50 Thread, 12mm Socket (10-Pack) Part Number : AR300-8365 Available in a variety of sizes to suit your needs, all ARP...

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Original price $96.26 - Original price $96.26
Original price
$96.26
$96.26 - $96.26
Current price $96.26

12-Point Nut, Chrome Moly Black Oxide 9mm X 1.25 Thread, 11mm Socket (10-Pack) (AR300-8362)

ARP
Original price $98.79 - Original price $98.79
Original price
$98.79
$98.79 - $98.79
Current price $98.79

9mm X 1.25 Thread, 11mm Socket (10-Pack) Part Number : AR300-8362 Available in a variety of sizes to suit your needs, all ARP 12-point...

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Original price $98.79 - Original price $98.79
Original price
$98.79
$98.79 - $98.79
Current price $98.79

Head Stud Kit, 12-Point Nuts Nissan RB20DE/DET 2.0L & RB25DE/DET 2.5L (AR202-4301)

ARP
Original price $464.26 - Original price $464.26
Original price
$464.26
$464.26 - $464.26
Current price $464.26

fits Nissan RB20DE/DET 2.0L & RB25DE/DET 2.5L Part Number : AR202-4301 It is for good reason that virtually every top professional...

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Original price $464.26 - Original price $464.26
Original price
$464.26
$464.26 - $464.26
Current price $464.26

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

ARP
Original price $322.92 - Original price $322.92
Original price
$322.92
$322.92 - $322.92
Current price $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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Original price $322.92 - Original price $322.92
Original price
$322.92
$322.92 - $322.92
Current price $322.92

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

ARP
Original price $186.99 - Original price $186.99
Original price
$186.99
$186.99 - $186.99
Current price $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"

Original price $186.99 - Original price $186.99
Original price
$186.99
$186.99 - $186.99
Current price $186.99

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.