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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 BB Chevrolet WP Merlin Main Stud Kit Quick View
ARP

ARP BB Chevrolet WP Merlin Main Stud Kit

$194.58
ARP135-5801
ARP Engine Components Main Stud & Bolt Kits
ARP BB Chevrolet WP Merlin Main Stud Kit
ARP BB Chevy Mark V 4-Bolt Main Stud Kit Quick View
ARP

ARP BB Chevy Mark V 4-Bolt Main Stud Kit

$183.23
ARP135-5606
ARP Engine Components Main Stud & Bolt Kits
ARP BB Chevy Mark V 4-Bolt Main Stud Kit
ARP BB Chevy 4-Bolt Main Stud Kit Quick View
ARP

ARP BB Chevy 4-Bolt Main Stud Kit

$180.18
ARP135-5601
ARP Engine Components Main Stud & Bolt Kits
ARP BB Chevy 4-Bolt Main Stud Kit
ARP Cadillac 472-500 Main Stud Kit Quick View
ARP

ARP Cadillac 472-500 Main Stud Kit

$89.63
ARP135-5507
ARP Engine Components Main Stud & Bolt Kits Under 100
ARP Cadillac 472-500 Main Stud Kit
ARP SB Chevy 2 Bolt Main Stud Kit Quick View
ARP

ARP SB Chevy 2 Bolt Main Stud Kit

$94.76
ARP135-5402
ARP Engine Components Main Stud & Bolt Kits Under 100
ARP SB Chevy 2 Bolt Main Stud Kit
ARP BB Chevy WP Merlin II and III Iron Block Main Bolt Kit Quick View
ARP

ARP BB Chevy WP Merlin II and III Iron Block Main Bolt Kit

$77.17
ARP135-5202
ARP Engine Components Main Stud & Bolt Kits Under 100
ARP BB Chevy WP Merlin II and III Iron Block Main Bolt Kit
ARP BB Chevy 4-Bolt Main Bolt Kit Quick View
ARP

ARP BB Chevy 4-Bolt Main Bolt Kit

$86.92
ARP135-5201
ARP Engine Components Main Stud & Bolt Kits Under 100
ARP BB Chevy 4-Bolt Main Bolt Kit
ARP BB Chevy 396/454 2 Bolt Main Bolt Kit Quick View
ARP

ARP BB Chevy 396/454 2 Bolt Main Bolt Kit

$49.54
ARP135-5002
ARP Engine Components Main Stud & Bolt Kits Under 100
ARP BB Chevy 396/454 2 Bolt Main Bolt Kit
ARP BBC Chevrolet Brodix aluminum block, Dart Pro 1s/360s heads 12pt Head Stud Kit Quick View
ARP

ARP BBC Chevrolet Brodix aluminum block, Dart Pro 1s/360s heads 12pt Head Stud Kit

$362.36
ARP135-4303
ARP Engine Components Head Stud & Bolt Kits Head Stud & Bolt Kits
ARP BBC Chevrolet Brodix aluminum block, Dart Pro 1s/360s heads 12pt Head Stud Kit
ARP Cadillac 472-500 Head Stud Kit Quick View
ARP

ARP Cadillac 472-500 Head Stud Kit

$187.09
ARP135-4007
ARP Engine Components Head Stud & Bolt Kits Head Stud & Bolt Kits
ARP Cadillac 472-500 Head Stud Kit
ARP Big Block Chevy 409 Hex Head Stud Kit Quick View
ARP

ARP Big Block Chevy 409 Hex Head Stud Kit

$286.41
ARP135-4002
ARP Engine Components Head Stud & Bolt Kits Head Stud & Bolt Kits
ARP Big Block Chevy 409 Hex Head Stud Kit
ARP Big Block Chevy Hex Head Stud Kit Quick View
ARP

ARP Big Block Chevy Hex Head Stud Kit

$236.62
ARP135-4001
ARP Engine Components Head Stud & Bolt Kits Head Stud & Bolt Kits
ARP Big Block Chevy Hex Head Stud Kit
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