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ARP
Since 1968, ARP is the fastener of champions and the world leader in fastener technology.

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Items 51-75 of 120
Engine Mount Fastener Kits
Engine Mount Fastener Kits come in your choice of black oxide finished chromoly or corrosion-resistant stainless steel. Pit Stop USA has a great selection of Motor Mount Bolt Kits, Motor...More Details »
Female NPT Steel Weld-On Bungs
Aviation fluid transfer technology was introduced to the automotive performance market over five decades ago and top racing teams everywhere rely on them. PitStopUSA.com carries the most extensive...More Details »
Flat Washers
Washers are for use with coarse thread and fine thread hex nuts. These types of washers help to isolate components from nuts or bolts. They help protect surfaces from losing their coatings. They...More Details »
Flexplate Bolt Kits
Pit Stop USA offers premium-grade Flexplate and Flywheel Fastener Kits that are far superior to OEM hardware. Forged from aerospace alloy and heat-treated prior to thread rolling and machining,...More Details »
Flexplate Bolts
Pit Stop USA is The Online Motorsports Superstore! We feature Flexplate Bolts at low everyday prices.
Flywheel Bolt Kits
Pit Stop USA offers premium-grade Flexplate and Flywheel Fastener Kits that are far superior to OEM hardware. Forged from aerospace alloy and heat-treated prior to thread rolling and machining,...More Details »
Flywheel Bolts
Pit Stop USA is The Online Motorsports Superstore! We feature Flywheel Bolts at low everyday prices.
Fuel Pump Bolt Kits
Pit Stop USA is The Online Motorsports Superstore! We stock Fuel Pump Bolt Kits at low everyday prices.
Fuel Pump Fastener Kits
ARP durable fuel pump bolts are rated at 170,000 psi, which is a lot stronger than Grade 8 hardware. They come in your choice of black oxide chromoly steel or rustproof stainless steel, and are...More Details »
Fuel Pump Pushrods
Pit Stop USA is The Online Motorsports Superstore! We feature Fuel Pump Pushrods at low everyday prices.
Harmonic Balancer Fastener Kits
Having a hard time choosing the best Harmonic Balancer Fastener Kit? As you gain RPM with your engine your crankshaft will begin to flex. The harmonic balancer press fit installation to the end of...More Details »
Header Bolt
Pit Stop USA is The Online Motorsports Superstore! We feature Header Bolts at low everyday prices.
Header Stud
Header Stud thread on both ends and 12-point nuts to work with most style headers.
Intake Manifold Fastener Kits
Top engine builders often suggest the replacement of the intake manifold bolts each time you remove the intake manifold. This is absolutely the case of the OE torque-to-yield (TTY) fasteners found...More Details »
Lock Nuts
Nylon element nuts, commonly called Nylocs, work by elastic deformation of the nylon portion of the nut against the male thread. Nyloc nuts interference fit prevents loosening under vibration and...More Details »
Lug Nuts
Large diameter, open end lug nuts will not pull through the wheel. Choose steel or aluminum, SAE or metric threads.
Main Cap Fastener Kits
Engine main caps hold the bearings that secure your crankshaft in place. Engines use a variety of different quantities of main caps utilizing main bearing cap bolts or studs. While 2-bolt main...More Details »
Mandrel Bolts
Pit Stop USA is The Online Motorsports Superstore! We feature Mandrel Bolts at low everyday prices.
Motor Mount Bolts
PitStopUSA.com offers a variety of Motor Mount Bolts from the biggest brands in drag racing including ARP Motor Mount Bolts and more at low everyday prices.
Neckdown Studs
Nuts (12-Point)
Double hexagon nuts, also known as 12-point nuts, are used in tension applications where 125 KSI to 300 KSI nuts are required and PitStopUSA.com carries a variety of sizes.
Nuts (Hex)
It is important to use high quality hex nuts to ensure reliability on your race car. PitStopUSA.com offers a wide variety of hex nuts including stainless steel hex nuts, Grade 8 steel hex nuts, Chromoly steel black oxide hex nuts and more.
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Items 51-75 of 120

ARP Products

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Items 2151-2175 of 2260
Description: Timing Cover Stud Kit, 12 Point Nuts, Chromoly, Black Oxide, Keith Black, Mopar 426 Hemi, Set of 8
Item #: ARP245-1501
Condition: New
Limited Supply: Only 1 Left!
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Price: $81.76
Sale: $48.97
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Description: Timing Cover Stud, 12 Point Nuts, Chromoly, Black Oxide, Chevy V8, Set of 10
Item #: ARP200-1411
Condition: New
Limited Supply: Only 2 Left!
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Price: $47.05
Sale: $23.97
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Description: Timing Cover Stud, Hex Nuts, Chromoly, Black Oxide, Chevy V8, Set of 10
Item #: ARP200-1401
Condition: New
Limited Supply: Only 5 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $36.53
Sale: $18.97
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Description: Flywheel Bolt Kit, Pro Series, 1/2-20 in Thread, 1.000 in Long, 12 Point Head, Chromoly, Black Oxide, Top Fuel, Set of 8
Item #: ARP200-2804
Condition: New
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Orders over $149 ship free. Oversize items are excluded.
Price: $86.92
Sale: $46.97
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Description: Torque Converter Bolt Kit, Pro Series, 7/16-20 in Thread, 1.250 in Long, 12 Point Head, Chromoly, Black Oxide, TH350 / 400, Kit
Item #: ARP230-7303
Condition: New
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Price: $25.58
Sale: $13.97
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Description: Torque Converter Bolt Kit, Pro Series, 7/16-20 in Thread, 0.725 in Long, 12 Point Head, Chromoly, Black Oxide, TH350 / 400, Kit
Item #: ARP230-7302
Condition: New
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Price: $21.52
Sale: $11.97
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Description: Flywheel Bolt Kit, Pro Series, 12 mm x 1.25 Thread, 1.000 in Long, 12 Point Head, Chromoly, Black Oxide, Toyota 4-Cylinder, Set of 8
Item #: ARP203-2801
Condition: New
Limited Supply: Only 7 Left!
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Price: $104.07
Sale: $59.97
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Description: Flywheel Bolt Kit, Pro Series, 10 mm x 1.25 Thread, 1.050 in Long, 12 Point Head, Chromoly, Black Oxide, Toyota 4-Cylinder, Set of 8
Item #: ARP203-2802
Condition: New
Limited Supply: Only 5 Left!
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Price: $58.68
Sale: $29.97
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Description: Cylinder Head Bolt Kit, Pro Series, 12 Point Head, Chromoly, Black Oxide, Toyota Inline-6, Kit
Item #: ARP203-3902
Condition: New
Limited Supply: Only 4 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $234.75
Sale: $132.97
Save: 43%
Save: $101.78
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Description: Cylinder Head Stud Kit, 12 Point Nuts, Chromoly, Black Oxide, Toyota 4-Cylinder, Kit
Item #: ARP203-4201
Condition: New
Limited Supply: Only 5 Left!
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Price: $318.69
Sale: $172.83
Save: 46%
Save: $145.86
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Description: Cylinder Head Stud Kit, 12 Point Nuts, Chromoly, Black Oxide, Toyota 4-Cylinder, Kit
Item #: ARP203-4203
Condition: New
Limited Supply: Only 2 Left!
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Price: $213.50
Sale: $116.97
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Save: $96.53
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Description: Cylinder Head Stud Kit, 12 Point Nuts, Chromoly, Black Oxide, Toyota 4-Cylinder, Kit
Item #: ARP203-4204
Condition: New
Limited Supply: Only 0 Left!
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Price: $313.45
Sale: $167.99
Save: 46%
Save: $145.46
Description: Cylinder Head Stud Kit, 12 Point Nuts, Chromoly, Black Oxide, Undercut, Toyota JZ-Series, Kit
Item #: ARP203-4701
Condition: New
Limited Supply: Only 9 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $270.58
Sale: $146.97
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Description: Cylinder Head Stud Kit, 12 Point Nuts, Chromoly, Black Oxide, Toyota JZ-Series, Kit
Item #: ARP203-4202
Condition: New
Limited Supply: Only 3 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $286.25
Sale: $146.97
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Save: $139.28
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Description: Cylinder Head Stud Kit, 12 Point Nuts, Chromoly, Black Oxide, Toyota JZ-Series, Kit
Item #: ARP203-4205
Condition: New
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Free Ground Shipping
Price: $355.96
Sale: $189.25
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Save: $166.71
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Description: Main Bolt Kit, Pro Series, Hex Head, 2-Bolt Mains, Chromoly, Black Oxide, Toyota 4-Cylinder, Kit
Item #: ARP203-5001
Condition: New
Limited Supply: Only 1 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $92.03
Sale: $46.97
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Save: $45.06
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Description: Main Stud Kit, Hex Nuts, 2-Bolt Mains, Chromoly, Black Oxide, Toyota JZ-Series, Kit
Item #: ARP203-5405
Condition: New
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Orders over $149 ship free. Oversize items are excluded.
Price: $297.92
Sale: $147.97
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Save: $149.95
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Description: Main Stud Kit, Hex Nuts, 2-Bolt Mains, Chromoly, Black Oxide, Toyota 4-Cylinder, Kit
Item #: ARP203-5403
Condition: New
Limited Supply: Only 2 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $206.10
Sale: $111.97
Save: 46%
Save: $94.13
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Description: Main Stud Kit, Hex Nuts, 2-Bolt Mains, Chromoly, Black Oxide, Toyota 4-Cylinder, Kit
Item #: ARP203-5406
Condition: New
Limited Supply: Only 3 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $188.43
Sale: $105.97
Save: 44%
Save: $82.46
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Description: Main Stud Kit, Hex Nuts, 2-Bolt Mains, Chromoly, Black Oxide, Toyota Inline-6, Kit
Item #: ARP203-5402
Condition: New
Limited Supply: Only 2 Left!
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Price: $292.60
Sale: $160.16
Save: 45%
Save: $132.44
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Description: Connecting Rod Bolt Kit, Pro Series, ARP2000, Toyota Inline-6, Kit
Item #: ARP203-6005
Condition: New
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Orders over $149 ship free. Oversize items are excluded.
Price: $238.75
Sale: $129.97
Save: 46%
Save: $108.78
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Description: Connecting Rod Bolt Kit, High Performance Series, Chromoly, Toyota 4-Cylinder, Kit
Item #: ARP203-6002
Condition: New
Limited Supply: Only 5 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $86.96
Sale: $48.97
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Save: $37.99
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Description: Connecting Rod Bolt Kit, High Performance Series, Chromoly, Toyota 4-Cylinder, Kit
Item #: ARP203-6003
Condition: New
Limited Supply: Only 1 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $86.96
Sale: $48.97
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Description: Connecting Rod Bolt Kit, High Performance Series, 9 mm Bolt, Chromoly, Toyota 4-Cylinder, Kit
Item #: ARP203-6001
Condition: New
Limited Supply: Only 7 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $106.27
Sale: $55.04
Save: 48%
Save: $51.23
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Description: Connecting Rod Bolt Kit, High Performance Series, Chromoly, Toyota Inline-6, Kit
Item #: ARP203-6004
Condition: New
Limited Supply: Only 4 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $106.27
Sale: $59.97
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Save: $46.30
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Items 2151-2175 of 2260

More About ARP

Pit Stop USA is The Online Motorsports Superstore! ARP is the fastener of champions. They say that to be successful you must identify a need and satisfy it. Back in 1968 racing enthusiast Gary Holzapfel saw that many of his friendsa broken engines were caused by fastener failure. At the time, there were no commercially available studs and bolts up to the challenge. So Holzapfel called upon his many years of fastener making experience for a leading aerospace subcontractor and founded ARPA (Automotive Racing Products). In the ensuing years, the firm has grown from what was literally a backyard garage workshop into a highly diversified manufacturer with four operational entities in Southern California with a combined area in excess of 115,000 square feet. These include forging, machining, finishing and packaging/warehousing facilities in Santa Paula and Ventura, California. Today, ARPas product line contains of thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, NASCAR and NHRA drag racing and marine applications. As a matter of fact, ARPas customer list reads like a awhoas whoa of motorsports around the world. In the past several years, virtually every major championship on the planet has been won with engines prepared by ARP customers. These include NASCAR Nextel Cup, NASCAR Busch Series, NASCAR Craftsman Truck Series, Champ Car, Indy Racing League, Formula 1, NHRA Top Fuel, NHRA Funny Car, NHRA Pro Stock, IHRA and many more. And so it goes. ARP works closely with many, many teams as a supplier of engine and driveline fasteners, and has clearly become recognized as athea preeminent source for serious racers. We feature ARP High Performance Fasteners, ARP Pro Series Fasteners, ARP Automotive Racing Products, ARP Air cleaner studs, ARP Alternator bolts, ARP Alternator studs, ARP Bellhousing studs, ARP Brake hat bolts, ARP Camshaft bolts, ARP Carburetor float bowl bolts, ARP Carburetor studs, ARP Clutch cover bolts, ARP Coil bracket bolts, ARP Cylinder head bolts, ARP Distributor studs, ARP Drive pins, ARP Drive plate bolts, ARP Flexplate bolts, ARP Flywheel bolts, ARP Front cover bolts and studs, ARP Front mandrel bolts, ARP Fuel pump bolts, ARPFuel pump pushrods, ARP Harmonic balancer bolts, ARP Head bolts, ARP Head studs, ARP Header bolts, ARP Header studs, ARP Intake manifold bolts, ARP Main studs and bolts, ARP Motor mount bolts, ARP Nyloc nuts, ARP Oil pan bolts and studs, ARP Oil pump drives, ARP Plate nuts, ARP Pressure plate bolts, ARP Rear end cover bolts, ARP Ring gear bolts, ARP Rocker arm studs, ARP Rod bolt stretch gauge, ARP Rod bolts, ARP Spark plug indexer, ARP Stainless steel bolts, ARP Starter bolts, ARP Thermostat housing bolts, ARP Thread chasers, ARP Torque converter bolts, ARP Transmission pan bolts, ARP Valve cover bolts and studs, ARP Water pump bolts, ARP Weld bungs, ARP Wheel studs and more at low everyday prices!