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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 Nut Nissan RB20DET, RB25DET, RB30ET 1/2" Stud With Twin Cam Head & CA18DET (AR9994209)

ARP
$316.25 - $316.25
$316.25
$316.25 - $316.25
$316.25

fits Nissan RB20DET, RB25DET, RB30ET 1/2" Stud With Twin Cam Head & CA18DET Part Number : AR9994209 It is for good reason that vir...

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$316.25 - $316.25
$316.25
$316.25 - $316.25
$316.25

5-Pack Bolt Kit, Hex Head S/S 3/8" UNC x .500" UHL With 3/8" Socket (AR623-0500)

ARP
$28.40 - $28.40
$28.40
$28.40 - $28.40
$28.40

3/8" UNC x .500" UHL With 3/8" Socket Part Number : AR623-0500 Now you can use premium quality ARP stainless steel or chrome moly fast...

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$28.40 - $28.40
$28.40
$28.40 - $28.40
$28.40

Flexplate Bolt Kit Chrysler SL6, 3.9L V6 & SB/BB 273-440 With 6-Bolt Crank 7/16-20 x .500" UHL (AR200-2903)

ARP
$41.40 - $41.40
$41.40
$41.40 - $41.40
$41.40

fits Chrysler SL6, 3.9L V6 & SB/BB 273-440 With 6-Bolt Crank 7/16-20 x .500" UHL Part Number : AR200-2903 Flywheel and Flexplate b...

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$41.40 - $41.40
$41.40
$41.40 - $41.40
$41.40

Valve Cover Bolt Kit, Hex Head Black Oxide Aluminium Covers 1/4-20 Thread x .812" UHL (8-Pack) (AR100-7507)

ARP
$28.64 - $28.64
$28.64
$28.64 - $28.64
$28.64

fits Aluminium Covers 1/4-20 Thread x .812" UHL (8-Pack) Part Number : AR100-7507 To Ensure Proper Sealing Of Valve Covers, Arp Manufa...

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$28.64 - $28.64
$28.64
$28.64 - $28.64
$28.64

Exhaust Header Bolt Kit, Hex Head Black Oxide BB Chev 3/8" Thread X 1.000" UHL (16 Pack) (AR100-1112)

ARP
$65.09 - $65.09
$65.09
$65.09 - $65.09
$65.09

fits BB Chev 3/8" Thread X 1.000" UHL (16 Pack) Part Number : AR100-1112 ARP manufactures a variety of premium grade bolt and stud kit...

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$65.09 - $65.09
$65.09
$65.09 - $65.09
$65.09

Exhaust Header Bolt Kit, 12-Point Black Oxide Universal, 3/8" Thread X 1.000" UHL (12 Pack) (AR100-1209)

ARP
$55.31 - $55.31
$55.31
$55.31 - $55.31
$55.31

Universal, 3/8" Thread X 1.000" UHL (12 Pack) Part Number : AR100-1209 ARP manufactures a variety of premium grade bolt...

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$55.31 - $55.31
$55.31
$55.31 - $55.31
$55.31

Head Stud Kit, 12-Point Nuts Nissan L20 Series 4-Cyl (AR202-4201)

ARP
$307.51 - $307.51
$307.51
$307.51 - $307.51
$307.51

fits Nissan L20 Series 4-Cyl Part Number : AR202-4201 It Is For Good Reason That Virtually Every Top Professional Engine Builder Relie...

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$307.51 - $307.51
$307.51
$307.51 - $307.51
$307.51

Harmonic Balancer Bolt, 12-Point Black Oxide Pontiac 350-455, 5/8-18 x 1.580" UHL, 5/8" Socket (AR190-2501)

ARP
$60.72 - $60.72
$60.72
$60.72 - $60.72
$60.72

fits Pontiac 350-455, 5/8-18 x 1.580" UHL, 5/8" Socket Part Number : AR190-2501 As the crankshaft flexes and twists, the harmonic damp...

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$60.72 - $60.72
$60.72
$60.72 - $60.72
$60.72

Exhaust Header Bolt Kit, 12-Point S/S GM LS Series M8 X .984" UHL (12 Pack) 1/4" Wide Header Flange (AR434-1201)

ARP
$113.51 - $113.51
$113.51
$113.51 - $113.51
$113.51

fits GM LS Series M8 X .984" UHL (12 Pack) 1/4" Wide Header Flange Part Number : AR434-1201 ARP manufactures a variety of premium grad...

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$113.51 - $113.51
$113.51
$113.51 - $113.51
$113.51

5-Pack Bolt Kit, 12-Point S/S M10 x 1.25 Thread x 25mm UHL With 12mm Socket Head (AR673-1002)

ARP
$30.71 - $30.71
$30.71
$30.71 - $30.71
$30.71

M10 x 1.25 Thread x 25mm UHL With 12mm Socket Head Part Number : AR673-1002 Now you can use premium quality ARP stainless steel or chr...

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$30.71 - $30.71
$30.71
$30.71 - $30.71
$30.71

5-Pack Bolt Kit, 12-Point Head S/S 1/4" UNC x 1.000" UHL With 5/16" Socket Head (AR611-1000)

ARP
$26.79 - $26.79
$26.79
$26.79 - $26.79
$26.79

1/4" UNC x 1.000" UHL With 5/16" Socket Head Part Number : AR611-1000 Now you can use premium quality ARP stainless steel or chrome mo...

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$26.79 - $26.79
$26.79
$26.79 - $26.79
$26.79

Flywheel Bolt Kit Ford Pinto 2000cc M10 x 1.0 x 1.150" UHL (AR151-2801)

ARP
$81.19 - $81.19
$81.19
$81.19 - $81.19
$81.19

fits Ford Pinto 2000cc M10 x 1.0 x 1.150" UHL Part Number : AR151-2801 Flywheel and Flexplate bolts play an important role in the perf...

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$81.19 - $81.19
$81.19
$81.19 - $81.19
$81.19

Head Bolt Kit, Hex Head BB Chev With Edelbrock Heads (AR135-3710)

ARP
$345.69 - $345.69
$345.69
$345.69 - $345.69
$345.69

fits BB Chev With Edelbrock Heads Part Number : AR135-3710 Suit BB Chev MK4 With Edelbrock Heads 60409 60429 60459 60479 60499 60559...

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$345.69 - $345.69
$345.69
$345.69 - $345.69
$345.69

Intake Manifold Bolt Kit, 12-Point Head Black Oxide BB Chev 396-454, 1.250" UHL (AR135-2101)

ARP
$69.81 - $69.81
$69.81
$69.81 - $69.81
$69.81

fits BB Chev 396-454, 1.250" UHL Part Number : AR135-2101 Prevent Intake Manifold Leaks With Arp's Quality Fateners. They Are Rated At...

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$69.81 - $69.81
$69.81
$69.81 - $69.81
$69.81

5-Pack Bolt Kit, 12-Point S/S M8 x 1.25 Thread x 16mm UHL With 10mm Socket Head (AR771-1017)

ARP
$40.59 - $40.59
$40.59
$40.59 - $40.59
$40.59

M8 x 1.25 Thread x 16mm UHL With 10mm Socket Head Part Number : AR771-1017 Now you can use premium quality ARP stainless steel or chro...

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$40.59 - $40.59
$40.59
$40.59 - $40.59
$40.59

Flywheel Bolt Kit Top Fuel, 8740 Material With Washers, 1/2-20 x 1.000" UHL (AR200-2804)

ARP
$110.97 - $110.97
$110.97
$110.97 - $110.97
$110.97

fits Top Fuel, 8740 Material With Washers, 1/2-20 x 1.000" UHL Part Number : AR200-2804 Arp Replacement Bolts Are Forged From Aerospac...

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$110.97 - $110.97
$110.97
$110.97 - $110.97
$110.97

Single Head / Main Stud 10mm X 1.5 Thread X 5.150" OAL (10mm X 1.25 Nut Side) (ARAM5.150-1LB)

ARP
$17.71 - $17.71
$17.71
$17.71 - $17.71
$17.71

10mm X 1.5 Thread X 5.150" OAL (10mm X 1.25 Nut Side) Part Number : ARAM5.150-1LB It is for good reason that virtually every top profe...

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$17.71 - $17.71
$17.71
$17.71 - $17.71
$17.71

Head Stud Kit, 12-Point Nuts Suit Ford Racing Block with Cleveland Heads (AR154-4206)

ARP
$475.52 - $475.52
$475.52
$475.52 - $475.52
$475.52

Suit Ford Racing Block with Cleveland Heads Part Number : AR154-4206 It is for good reason that virtually every top professional engin...

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$475.52 - $475.52
$475.52
$475.52 - $475.52
$475.52

Bellhousing Bolt Kit, 12-Point Nut Black Oxide SB Chrysler 3/8-16 Thread x 1.375" UHL X 7/16-14 x 1.500"/1.750" (AR144-0902)

ARP
$49.45 - $49.45
$49.45
$49.45 - $49.45
$49.45

fits SB Chrysler 3/8-16 Thread x 1.375" UHL X 7/16-14 x 1.500"/1.750" Part Number : AR144-0902 These premium grade bolt and stud kits ...

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$49.45 - $49.45
$49.45
$49.45 - $49.45
$49.45

Exhaust Header Bolt Kit, 12-Point S/S BB Chev 3/8" X 1.000" UHL (16 Pack) (AR400-1212)

ARP
$110.06 - $110.06
$110.06
$110.06 - $110.06
$110.06

fits BB Chev 3/8" X 1.000" UHL (16 Pack) Part Number : AR400-1212 ARP manufactures a variety of premium grade bolt and stud kits to fa...

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$110.06 - $110.06
$110.06
$110.06 - $110.06
$110.06

5-Pack Bolt Kit, 12-Point Head S/S 1/2" UNF x 1.500" UHL With 9/16" Socket Head (AR755-1500)

ARP
$70.03 - $70.03
$70.03
$70.03 - $70.03
$70.03

1/2" UNF x 1.500" UHL With 9/16" Socket Head Part Number : AR755-1500 Now you can use premium quality ARP stainless steel or chrome mo...

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$70.03 - $70.03
$70.03
$70.03 - $70.03
$70.03

Conrod Bolt Set BB Chev 454-502 7/16" (Wave Loc) (AR135-6401)

ARP
$169.85 - $169.85
$169.85
$169.85 - $169.85
$169.85

fits BB Chev 454-502 7/16" (Wave Loc) Part Number : AR135-6401 CONROD BOLT 8740 CHROME MOLY: Until the development of today's modern ...

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$169.85 - $169.85
$169.85
$169.85 - $169.85
$169.85

Conrod Bolt Set BB Chev 396-454 3/8" & Holden 308 L34 Rods (AR135-6002)

ARP
$169.85 - $169.85
$169.85
$169.85 - $169.85
$169.85

fits BB Chev 396-454 3/8" & Holden 308 L34 Rods Part Number : AR135-6002 Unquestionably The Most Important Fasteners In Any Engine...

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$169.85 - $169.85
$169.85
$169.85 - $169.85
$169.85

Special Purpose Washer 5/16" I.D, .812" O.D .120" Thick with Chamfer (10-Pack) (AR200-8589)

ARP
$40.71 - $40.71
$40.71
$40.71 - $40.71
$40.71

5/16" I.D, .812" O.D .120" Thick with Chamfer (10-Pack) Part Number : AR200-8589 A true high performance washer from ARP, available in...

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$40.71 - $40.71
$40.71
$40.71 - $40.71
$40.71

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.