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

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Items 1-25 of 88
Description: Nut, 1/2-13 in Thread, 9/16 in 12 Point Head, Chromoly, Black Oxide, Universal, Set of 10
Item #: ARP301-8342
Condition: New
Limited Supply: Only 5 Left!
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Price: $55.00
Sale: $31.97
Save: 42%
Save: $23.03
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Description: Nut, 1/2-13 in Thread, 9/16 in 12 Point Head, Chromoly, Black Oxide, Universal, Pair
Item #: ARP301-8322
Condition: New
Limited Supply: Only 4 Left!
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Price: $11.00
Sale: $8.97
Save: 18%
Save: $2.03
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Description: Nut, 1/2-20 in Thread, 9/16 in 12 Point Head, Chromoly, Black Oxide, Universal, Each
Item #: ARP300-8304
Condition: New
Limited Supply: Only 4 Left!
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Price: $5.51
Sale: $4.58
Save: 17%
Save: $0.93
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Description: Nut, 1/2-20 in Thread, 5/8 in 12 Point Head, Chromoly, Black Oxide, Universal, Each
Item #: ARP300-8306
Condition: New
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Price: $5.53
Sale: $3.97
Save: 28%
Save: $1.56
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Description: Nut, 1/2-20 in Thread, 5/8 in 12 Point Head, Chromoly, Black Oxide, Universal, Set of 10
Item #: ARP300-8336
Condition: New
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Price: $55.00
Sale: $28.97
Save: 47%
Save: $26.03
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Description: Nut, 1/2-20 in Thread, 9/16 in 12 Point Head, Chromoly, Black Oxide, Universal, Pair
Item #: ARP300-8324
Condition: New
Limited Supply: Only 1 Left!
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Price: $11.00
Sale: $6.97
Save: 37%
Save: $4.03
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Description: Nut, 12 mm x 1.25 Thread, 16 mm 12 Point Head, Chromoly, Black Oxide, Universal, Each
Item #: ARP301-8318
Condition: New
Limited Supply: Only 3 Left!
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Price: $8.99
Sale: $7.97
Save: 11%
Save: $1.02
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Description: Nut, 1/2-20 in Thread, 11/16 in 12 Point Head, Chromoly, Black Oxide, Universal, Set of 10
Item #: ARP301-8353
Condition: New
Limited Supply: Only 0 Left!
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Price: $55.33
Sale: $28.97
Save: 48%
Save: $26.36
Description: Nut, 1/2-20 in Thread, 5/8 in 12 Point Head, Chromoly, Black Oxide, Universal, Pair
Item #: ARP300-8326
Condition: New
Limited Supply: Only 0 Left!
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Price: $11.00
Sale: $6.97
Save: 37%
Save: $4.03
Description: Nut, 1/4-20 in Thread, 5/16 in 12 Point Head, Chromoly, Black Oxide, Universal, Set of 10
Item #: ARP301-8340
Condition: New
Limited Supply: Only 3 Left!
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Price: $27.39
Sale: $14.97
Save: 45%
Save: $12.42
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Description: Nut, 1/4-28 in Thread, 5/16 in 12 Point Head, Chromoly, Black Oxide, Universal, Each
Item #: ARP300-8300
Condition: New
Limited Supply: Only 0 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $2.75
Sale: $2.50
Save: 9%
Save: $0.25
Description: Nut, 1/4-28 in Thread, 5/16 in 12 Point Head, Chromoly, Black Oxide, Universal, Set of 10
Item #: ARP300-8330
Condition: New
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Price: $27.41
Sale: $14.97
Save: 45%
Save: $12.44
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Description: Nut, 1/4-28 in Thread, 5/16 in 12 Point Head, Stainless, Polished, Universal, Each
Item #: ARP400-8300
Condition: New
Limited Supply: Only 1 Left!
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Price: $5.04
Sale: $4.97
Save: 1%
Save: $0.07
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Description: Nut, 10 mm x 1.50 Thread, 12 mm 12 Point Head, Chromoly, Black Oxide, Universal, Set of 10
Item #: ARP300-8365
Condition: New
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Price: $79.83
Sale: $40.97
Save: 49%
Save: $38.86
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Description: Nut, 10 mm x 1.50 Thread, 12 mm 12 Point Head, Stainless, Natural, Universal, Each
Item #: ARP400-8345
Condition: New
Limited Supply: Only 4 Left!
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Price: $10.24
Sale: $7.97
Save: 22%
Save: $2.27
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Description: Nut, 10 mm x 1.25 Thread, 12 mm 12 Point Head, Chromoly, Black Oxide, Universal, Each
Item #: ARP300-8344
Condition: New
Limited Supply: Only 7 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $9.92
Sale: $7.97
Save: 20%
Save: $1.95
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Description: Nut, 10 mm x 1.25 Thread, 12 mm 12 Point Head, Small Collar, Chromoly, Black Oxide, Universal, Each
Item #: ARP300-8343
Condition: New
Limited Supply: Only 6 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $7.98
Sale: $6.97
Save: 13%
Save: $1.01
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Description: Nut, 10 mm x 1.25 Thread, 12 mm 12 Point Head, Chromoly, Black Oxide, Universal, Set of 10
Item #: ARP300-8364
Condition: New
Limited Supply: Only 8 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $79.83
Sale: $42.97
Save: 46%
Save: $36.86
Qty:

Description: Nut, 10 mm x 1.25 Thread, 12 mm 12 Point Head, Small Collar, Chromoly, Black Oxide, Universal, Set of 10
Item #: ARP300-8363
Condition: New
Limited Supply: Only 6 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $79.83
Sale: $40.97
Save: 49%
Save: $38.86
Qty:

Description: Nut, 10 mm x 1.25 Thread, 16 mm 12 Point Head, Chromoly, Black Oxide, Universal, Each
Item #: ARP301-8312
Condition: New
Limited Supply: Only 6 Left!
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Price: $7.98
Sale: $6.97
Save: 13%
Save: $1.01
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Description: Nut, 10 mm x 1.25 Thread, 16 mm 12 Point Head, Chromoly, Black Oxide, Universal, Pair
Item #: ARP301-8335
Condition: New
Limited Supply: Only 5 Left!
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Price: $15.98
Sale: $8.97
Save: 44%
Save: $7.01
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Description: Nut, 3/8-24 in Thread, 1/2 in 12 Point Head, Chromoly, Black Oxide, Universal, Each
Item #: ARP300-8371
Condition: New
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Price: $2.91
Sale: $2.61
Save: 10%
Save: $0.30
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Description: Nut, 12 mm x 1.25 Thread, 14 mm 12 Point Head, Chromoly, Black Oxide, Universal, Each
Item #: ARP300-8307
Condition: New
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Price: $8.05
Sale: $6.52
Save: 19%
Save: $1.53
Qty:

Description: Nut, 12 mm x 1.25 Thread, 14 mm 12 Point Head, Chromoly, Black Oxide, Universal, Each
Item #: ARP300-8308
Condition: New
Limited Supply: Only 0 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $8.05
Sale: $6.52
Save: 19%
Save: $1.53
Description: Nut, 12 mm x 1.25 Thread, 14 mm 12 Point Head, Chromoly, Black Oxide, Universal, Set of 10
Item #: ARP300-8337
Condition: New
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Orders over $149 ship free. Oversize items are excluded.
Price: $80.46
Sale: $40.97
Save: 49%
Save: $39.49
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Items 1-25 of 88

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!