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ARP

They say that to be successful you must identify a need and satisfy it. Back the early 1970s, racing enthusiast Gary Holzapfel saw that many of his friends’ 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 ARP (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 seven operational entities in Southern California with a combined area in excess of 200,000 square feet. These include forging, heat-treating, machining, quality control finishing and packaging/warehousing facilities in Santa Paula and Ventura, California.

Today, ARP’s product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline and throughout the suspension and frame. 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.

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ARP 1/2-20 in. Thread 3.50 in 8740 Chromoly Bolts - Set of 5 Quick View
ARP

ARP 1/2-20 in. Thread 3.50 in 8740 Chromoly Bolts - Set of 5

$29.96
ARP716-3500
ARP Bolts Engine Components Main Stud & Bolt Kits Under 100
ARP 1/2-20 in. Thread 3.50 in 8740 Chromoly Bolts - Set of 5
ARP 1/4 in.-20 RH Thread 1.750 in Hex Head SS 300 Bolts - Set of 5 Quick View
ARP

ARP 1/4 in.-20 RH Thread 1.750 in Hex Head SS 300 Bolts - Set of 5

$17.91
ARP621-1750
ARP Bolts Engine Components Hardware Kits - Other Under 100
ARP 1/4 in.-20 RH Thread 1.750 in Hex Head SS 300 Bolts - Set of 5
ARP 5/16-24 x 2.250 SS 12pt Water Pump Pulley w/1.000in Fan Spacer Stud Kit Quick View
ARP

ARP 5/16-24 x 2.250 SS 12pt Water Pump Pulley w/1.000in Fan Spacer Stud Kit

$33.56
ARP400-3221
ARP Engine Components Hardware Kits - Other Main Stud & Bolt Kits Under 100
ARP 5/16-24 x 2.250 SS 12pt Water Pump Pulley w/1.000in Fan Spacer Stud Kit
ARP Honda CBR 1000RR Main Stud Kit Quick View
ARP

ARP Honda CBR 1000RR Main Stud Kit

$218.79
ARP208-5405
ARP Engine Components Main Stud & Bolt Kits
ARP Honda CBR 1000RR Main Stud Kit
Quick View
ARP

ARP 7/16 ID .705 OD Black Washer - 10 Pack

$8.98
ARP200-8790
ARP Engine Components Hardware Kits - Other Under 100
ARP 7/16 ID .705 OD Black Washer - 10 Pack
ARP BB Ford SOHC 427 Head Stud Kit Quick View
ARP

ARP BB Ford SOHC 427 Head Stud Kit

$187.63
ARP155-4002
ARP Engine Components Head Stud & Bolt Kits
ARP BB Ford SOHC 427 Head Stud Kit
ARP M6 x 1.00 x 65 hex SS bolts (5/pkg) Quick View
ARP

ARP M6 x 1.00 x 65 hex SS bolts (5/pkg)

$24.49
ARP760-1010
ARP Bolts Engine Components Hardware Kits - Other Under 100
ARP M6 x 1.00 x 65 hex SS bolts (5/pkg)
ARP 3/8-16 x 2.500 12pt Black Oxide Bolts Quick View
ARP

ARP 3/8-16 x 2.500 12pt Black Oxide Bolts

$19.52
ARP642-2500
ARP Bolts Engine Components Main Stud & Bolt Kits Under 100
ARP 3/8-16 x 2.500 12pt Black Oxide Bolts
ARP 1/2-20 x 3.25 12pt SS Bolts (5/pkg) Quick View
ARP

ARP 1/2-20 x 3.25 12pt SS Bolts (5/pkg)

$44.24
ARP755-3250
ARP Bolts Engine Components Hardware Kits - Other Under 100
ARP 1/2-20 x 3.25 12pt SS Bolts (5/pkg)
ARP Ford 289-302 Early head stud kit Quick View
ARP

ARP Ford 289-302 Early head stud kit

$150.41
ARP254-4401
ARP Engine Components Head Stud & Bolt Kits
ARP Ford 289-302 Early head stud kit
Quick View
ARP

ARP M8 ACC 12 pt Head Bolt 40 UHL

$3.19
ARPM10AF45-5
ARP Engine Components Hardware - Singles Under 100
ARP M8 ACC 12 pt Head Bolt 40 UHL
Quick View
ARP

ARP M8-1.25 12pt Nut M10 Wrench

$4.65
ARPAFN12-2
ARP Engine Components Hardware - Singles Under 100
ARP M8-1.25 12pt Nut M10 Wrench
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