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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 1-12 of 98
1/2"-13 Stainless Steel Bolts
Stainless Steel Bolts are ideally suited for many automotive and marine applications because stainless is tolerant of heat and virtually impervious to rust and corrosion. Stainless steel is...More Details »
1/2"-20 Stainless Steel Bolts
Stainless Steel Bolts are ideally suited for many automotive and marine applications because stainless is tolerant of heat and virtually impervious to rust and corrosion. Stainless steel is...More Details »
1/2"-20 Wheel Studs
Extreme high performance applications require wheel studs that are designed expressly for use with thick-hub racing wheels for both drag and oval track racing. Most racing wheel studs are...More Details »
1/4"-20 Stainless Steel Bolts
Stainless Steel Bolts are ideally suited for many automotive and marine applications because stainless is tolerant of heat and virtually impervious to rust and corrosion. Stainless steel is...More Details »
1/4"-28 Stainless Steel Bolts
Stainless Steel Bolts are ideally suited for many automotive and marine applications because stainless is tolerant of heat and virtually impervious to rust and corrosion. Stainless steel is...More Details »
10mm x 1.5 Stainless Steel Bolts
Stainless Steel Bolts are ideally suited for many automotive and marine applications because stainless is tolerant of heat and virtually impervious to rust and corrosion. Stainless steel is...More Details »
12mm x 1.25 Wheel Studs
Pit Stop USA is The Online High Performance Superstore! We feature 12mm x 1.25 Wheel Studs at low everyday prices.
12mm x 1.5 Stainless Steel Bolts
Premium quality ARP stainless fasteners are rated at 170,000 psi to provide a substantial extra margin of safety over Grade 8 or other hardware.
12mm x 1.5 Wheel Studs
Extreme high performance applications require wheel studs that are designed expressly for use with thick-hub racing wheels for both drag and oval track racing. Most racing wheel studs are...More Details »
12mm x 1.75 Stainless Steel Bolts
Premium quality ARP stainless fasteners are rated at 170,000 psi to provide a substantial extra margin of safety over Grade 8 or other hardware.
3/8"-16 Stainless Steel Bolts
Premium quality ARP stainless fasteners are rated at 170,000 psi to provide a substantial extra margin of safety over Grade 8 or other hardware.
3/8"-24 Stainless Steel Bolts
Premium quality ARP stainless fasteners are rated at 170,000 psi to provide a substantial extra margin of safety over Grade 8 or other hardware.
Items 1-12 of 98

ARP Products

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Items 1-25 of 1653
Description: Camshaft Drive Spud, 9/16-18 in Thread, 1 in Long, Chromoly, Black Oxide, Each.
Item #: ARP934-0005
Condition: New
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Price: $21.60
Sale: $17.28
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Description: Camshaft Drive Spud, 9/16-18 in Thread, 1-1/2 in Long, Chromoly, Black Oxide, Each.
Item #: ARP934-0006
Condition: New
Limited Supply: Only 8 Left!
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Ships from Michigan.
Price: $19.22
Sale: $14.87
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Description: 2" Replacement Stud
Item #: ARPAR2.750-1LB
Condition: New
Limited Supply: Only 8 Left!
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Price: $6.09
Sale: $5.87
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Description: Head Stud
Item #: ARPAR3.620-1LB
Condition: New
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Ships from Michigan.
Price: $6.21
Sale: $5.87
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Description: Head Stud
Item #: ARPAR4.400-1LB
Condition: New
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Price: $6.99
Sale: $6.87
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Description: Steel Stud, Black Oxide, 1/2" -13 Base, 1/2" -20 Top, 5.250" Length
Item #: ARPAR5.250-1LB
Condition: New
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Price: $9.99
Sale: $9.87
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Description: 8740 Chromoly Stud, Black Oxide, 1/2-13" Base, 1/2-20" Top, 5.750" Length
Item #: ARPAR5.750-1LB
Condition: New
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Ships from Michigan.
Price: $11.99
Sale: $11.87
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Description: Head Stud
Item #: ARPAR6.120-1LB
Condition: New
Limited Supply: Only 2 Left!
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Price: $23.99
Sale: $21.87
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Description: 1/2" Stud - 5.000 Long Broached w/1.250 Thread
Item #: ARPAR5.000-1LB
Condition: New
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Price: $7.99
Sale: $7.87
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Price: $100.49
Sale: $80.40
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Description: Custom 450 12-Point Nut, Black Oxide, 1/2" -20 RH Thread
Item #: ARP300-8304
Condition: New
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Price: $3.61
Sale: $2.89
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Description: Custom 450 12-Point Nut, Black Oxide, 1/2" -20 RH Thread
Item #: ARP300-8306
Condition: New
Limited Supply: Only 4 Left!
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Price: $3.61
Sale: $2.89
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Description: Custom 450 12-Point Nuts, Black Oxide, 1/2" -20 RH Thread, (Set of 10)
Item #: ARP300-8336
Condition: New
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Price: $36.17
Sale: $28.94
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Description: Custom 450 12-Point Nuts, Black Oxide, 1/2" -20 RH Thread, (Set of 2)
Item #: ARP300-8324
Condition: New
Limited Supply: Only 6 Left!
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Price: $7.24
Sale: $5.79
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Limited Supply: Only 3 Left!
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Price: $18.60
Sale: $14.88
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Description: 12-Point Head Nuts, Steel, Black Oxide, 1/4" -20 RH Thread, (Set of 10)
Item #: ARP301-8340
Condition: New
Limited Supply: Only 4 Left!
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Price: $17.96
Sale: $14.37
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Description: Custom 450 12-Point Nut, Black Oxide, 1/4" -28 RH Thread
Item #: ARP300-8300
Condition: New
Limited Supply: Only 8 Left!
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Ships from Michigan.
Price: $1.80
Sale: $1.44
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Description: Custom 450 12-Point Nuts, Black Oxide, 1/4" -28 RH Thread, (Set of 10)
Item #: ARP300-8330
Condition: New
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Price: $17.96
Sale: $14.37
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Description: 12-Point Nut, Small Collar, Custom 450, Black Oxide, 10mm x 1.25 RH Thread
Item #: ARP300-8343
Condition: New
Limited Supply: Only 4 Left!
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Ships from Michigan.
Price: $5.23
Sale: $4.18
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Description: Custom 450 12-Point Nut, Black Oxide, 10mm x 1.25 RH Thread
Item #: ARP300-8344
Condition: New
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Ships from Michigan.
Price: $5.23
Sale: $3.87
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Description: Custom 450 12-Point Nuts, Black Oxide, 10mm x 1.25 RH Thread, (Set of 10)
Item #: ARP300-8363
Condition: New
Limited Supply: Only 0 Left!
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Ships from Michigan.
Price: $52.35
Sale: $41.88
Save: 20%
Save: $10.47
Description: Custom 450 12-Point Nuts, Black Oxide, 10mm x 1.25 RH Thread, (Set of 10)
Item #: ARP300-8364
Condition: New
Limited Supply: Only 1 Left!
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Ships from Michigan.
Price: $52.35
Sale: $41.88
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Description: Custom 450 12-Point Nut, Black Oxide, 12mm x 1.25 RH Thread
Item #: ARP300-8307
Condition: New
Limited Supply: Only 7 Left!
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Ships from Michigan.
Price: $5.28
Sale: $4.22
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Save: $1.06
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Description: Custom 450 12-Point Nut, Black Oxide, 12mm x 1.25 RH Thread
Item #: ARP300-8308
Condition: New
Limited Supply: Only 0 Left!
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Ships from Michigan.
Price: $5.28
Sale: $4.22
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Description: Custom 450 12-Point Nuts, Black Oxide, 12mm x 1.25 RH Thread, (Set of 10)
Item #: ARP300-8337
Condition: New
Limited Supply: Only 3 Left!
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Ships from Michigan.
Price: $52.75
Sale: $42.21
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Items 1-25 of 1653

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!