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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 Big Block Chevy Hex .875in UHL Header Bolt Kit AJ-USA, Inc Quick View
ARP

ARP Big Block Chevy Hex .875in UHL Header Bolt Kit

$30.29
ARP100-1117
ARP Engine Components Hardware Kits - Other Hardware Kits - Other Under 100
ARP Big Block Chevy Hex .875in UHL Header Bolt Kit
ARP 1/2in Dia 12pt Bellhousing to Trans Stud Kit AJ-USA, Inc Quick View
ARP

ARP 1/2in Dia 12pt Bellhousing to Trans Stud Kit

$44.68
ARP100-0902
ARP Engine Components Hardware Kits - Other Hardware Kits - Other Under 100
ARP 1/2in Dia 12pt Bellhousing to Trans Stud Kit
ARP M8-1.25 Broached Single Stud AJ-USA, Inc Quick View
ARP

ARP M8-1.25 Broached Single Stud

$5.91
ARPAF2.350-1B
ARP Engine Components Hardware - Singles Under 100
ARP M8-1.25 Broached Single Stud
ARP 10-24 x .500 12pt SS bolts AJ-USA, Inc Quick View
ARP

ARP 10-24 x .500 12pt SS bolts

$9.58
ARP701-0500
ARP Bolts Engine Components Hardware - Singles Under 100
ARP 10-24 x .500 12pt SS bolts
ARP M8 x 1.25 12pt SS Nut Kit AJ-USA, Inc Quick View
ARP

ARP M8 x 1.25 12pt SS Nut Kit

$60.21
ARP400-8312
ARP Engine Components Hardware Kits - Other Hardware Kits - Other Under 100
ARP M8 x 1.25 12pt SS Nut Kit
ARP M10 x 1.25 (5) 12-Point Nut Kit (Pack of 10) AJ-USA, Inc Quick View
ARP

ARP M10 x 1.25 (5) 12-Point Nut Kit (Pack of 10)

$47.55
ARP301-8355
ARP Engine Components Hardware Kits - Other Hardware Kits - Other Under 100
ARP M10 x 1.25 (5) 12-Point Nut Kit (Pack of 10)
ARP 08-10 Dodge Viper Head Stud Kit AJ-USA, Inc Quick View
ARP

ARP 08-10 Dodge Viper Head Stud Kit

$500.14
ARP247-4301
ARP Engine Components Head Stud & Bolt Kits Head Stud & Bolt Kits
ARP 08-10 Dodge Viper Head Stud Kit
ARP SBC 6.2L LT1 12pt Header Bolt Kit AJ-USA, Inc Quick View
ARP

ARP SBC 6.2L LT1 12pt Header Bolt Kit

$31.61
ARP134-1103
ARP Engine Components Hardware Kits - Other Under 100
ARP SBC 6.2L LT1 12pt Header Bolt Kit
ARP Chevy LS 1/4in Flange Hex Header Bolt Kit AJ-USA, Inc Quick View
ARP

ARP Chevy LS 1/4in Flange Hex Header Bolt Kit

$36.16
ARP134-1101
ARP Engine Components Hardware Kits - Other Under 100
ARP Chevy LS 1/4in Flange Hex Header Bolt Kit
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