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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 7/16in ID 5/8in OD Machined Chamfer Black Washer Quick View
ARP

ARP 7/16in ID 5/8in OD Machined Chamfer Black Washer

$0.89
ARP200-8501
ARP Engine Components Hardware - Singles Under 100
ARP 7/16in ID 5/8in OD Machined Chamfer Black Washer
ARP .471 ID x 1.30 OD No Chamfer Black Washer - Pack of 10 Quick View
ARP

ARP .471 ID x 1.30 OD No Chamfer Black Washer - Pack of 10

$23.64
ARP200-8449
ARP Engine Components Hardware Kits - Other Hardware Kits - Other Under 100
ARP .471 ID x 1.30 OD No Chamfer Black Washer - Pack of 10
ARP M12 ID x 0.86 OD Chamfer Black Washer - Pack of 10 Quick View
ARP

ARP M12 ID x 0.86 OD Chamfer Black Washer - Pack of 10

$10.59
ARP200-8448
ARP Engine Components Hardware Kits - Other Hardware Kits - Other Under 100
ARP M12 ID x 0.86 OD Chamfer Black Washer - Pack of 10
ARP M12 ID .876in OD Chamfer Black Washer Kit (Qty 2) Quick View
ARP

ARP M12 ID .876in OD Chamfer Black Washer Kit (Qty 2)

$2.10
ARP200-8438
ARP Engine Components Hardware Kits - Other Hardware Kits - Other Under 100
ARP M12 ID .876in OD Chamfer Black Washer Kit (Qty 2)
Quick View
ARP

ARP 5/16 inch-24 High Tech Self Locking 12pt Nut Kit

$3.03
ARP200-8203
ARP Engine Components Hardware Kits - Other Hardware Kits - Other Under 100
ARP 5/16 inch-24 High Tech Self Locking 12pt Nut Kit
Quick View
ARP

ARP 1/4-28 High Tech Self locking 12pt Nut Kit

$3.03
ARP200-8202
ARP Engine Components Hardware Kits - Other Hardware Kits - Other Under 100
ARP 1/4-28 High Tech Self locking 12pt Nut Kit
ARP Aluminum 12pt Valve Cover Stud Kit Quick View
ARP

ARP Aluminum 12pt Valve Cover Stud Kit

$43.76
ARP200-7620
ARP Engine Components Hardware Kits - Other Hardware Kits - Other Under 100
ARP Aluminum 12pt Valve Cover Stud Kit
ARP Big Block Chevy Tall Aluminum Valve Cover Stud Kit Quick View
ARP

ARP Big Block Chevy Tall Aluminum Valve Cover Stud Kit

$73.29
ARP200-7619
ARP Engine Components Hardware Kits - Other Hardware Kits - Other Under 100
ARP Big Block Chevy Tall Aluminum Valve Cover Stud Kit
ARP Dart BRodix and B and B 12pt Valve Cover Stud Kit Quick View
ARP

ARP Dart BRodix and B and B 12pt Valve Cover Stud Kit

$43.81
ARP200-7616
ARP Engine Components Hardware Kits - Other Hardware Kits - Other Under 100
ARP Dart BRodix and B and B 12pt Valve Cover Stud Kit
ARP Cast Aluminum 12pt Valve Cover Stud Kit Quick View
ARP

ARP Cast Aluminum 12pt Valve Cover Stud Kit

$60.19
ARP200-7615
ARP Engine Components Hardware Kits - Other Hardware Kits - Other Under 100
ARP Cast Aluminum 12pt Valve Cover Stud Kit
ARP Cast Aluminum 12pt Valve Cover Stud Kit Quick View
ARP

ARP Cast Aluminum 12pt Valve Cover Stud Kit

$52.67
ARP200-7614
ARP Engine Components Hardware Kits - Other Hardware Kits - Other Under 100
ARP Cast Aluminum 12pt Valve Cover Stud Kit
ARP Cast Aluminum Valve Cover 1/4in 12pt Stud Kit Quick View
ARP

ARP Cast Aluminum Valve Cover 1/4in 12pt Stud Kit

$30.08
ARP200-7613
ARP Engine Components Hardware Kits - Other Hardware Kits - Other Under 100
ARP Cast Aluminum Valve Cover 1/4in 12pt Stud Kit
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