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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 Subaru EJ Series DOHC Custom Age Head Stud Kit Quick View
ARP

ARP Subaru EJ Series DOHC Custom Age Head Stud Kit

$655.40
ARP260-4704
ARP Engine Components Head Stud & Bolt Kits Head Stud & Bolt Kits
ARP Subaru EJ Series DOHC Custom Age Head Stud KitThis Part Fits: Year Make Model Submodel 2004-2006 Subaru Baja Turbo 1998 Subaru Forester Base...
ARP 99+ Subaru EJ Series Phase 2 SOHC Head Stud Kit Quick View
ARP

ARP 99+ Subaru EJ Series Phase 2 SOHC Head Stud Kit

$321.67
ARP260-4702
ARP Engine Components Head Stud & Bolt Kits Head Stud & Bolt Kits
ARP 99+ Subaru EJ Series Phase 2 SOHC Head Stud KitThis Part Fits: Year Make Model Submodel 2003 Subaru Baja Base 2003-2006 Subaru Baja...
ARP Subaru WRX EJ20 & EJ25 Head Stud Kit Quick View
ARP

ARP Subaru WRX EJ20 & EJ25 Head Stud Kit

$303.53
ARP260-4701
ARP Engine Components Head Stud & Bolt Kits Head Stud & Bolt Kits
ARP Subaru WRX EJ20 & EJ25 Head Stud KitThis Part Fits: Year Make Model Submodel 2005-2006 Saab 9-2X Aero 2004-2006 Subaru Baja Turbo 2008...
ARP Subaru FA20 2.0L 4Cyl Head Stud Kit Quick View
ARP

ARP Subaru FA20 2.0L 4Cyl Head Stud Kit

$281.77
ARP260-4301
ARP Engine Components Head Stud & Bolt Kits Head Stud & Bolt Kits
ARP Subaru FA20 2.0L 4Cyl Head Stud KitThis Part Fits: Year Make Model Submodel 2013-2016 Scion FR-S Base 2013-2017 Subaru BRZ Limited 2013-2017 Subaru...
ARP Subaru 2.0L FA20 4Cyl Flexplate Bolt Kit AJ-USA, Inc Quick View
ARP

ARP Subaru 2.0L FA20 4Cyl Flexplate Bolt Kit

$52.12
ARP260-2901
ARP Engine Components Hardware Kits - Other Hardware Kits - Other Under 100
ARP Subaru 2.0L FA20 4Cyl Flexplate Bolt Kit
ARP Ford Modular 4.6L/5.4L V8 ARP2000 Rod Bolt Kit Quick View
ARP

ARP Ford Modular 4.6L/5.4L V8 ARP2000 Rod Bolt Kit

$168.81
ARP256-6301
ARP Engine Components Rod Bolt Kits Rod Bolt Kits
ARP Ford Modular 4.6L/5.4L V8 ARP2000 Rod Bolt Kit
ARP Ford Modular 6.2L Iron Block 4-Bolt Main Stud Kit AJ-USA, Inc Quick View
ARP

ARP Ford Modular 6.2L Iron Block 4-Bolt Main Stud Kit

$412.33
ARP256-5802
ARP Engine Components Main Stud & Bolt Kits
ARP Ford Modular 6.2L Iron Block 4-Bolt Main Stud Kit
ARP Ford Modular 4-Bolt w/ Windage Tray Main Stud Kit Quick View
ARP

ARP Ford Modular 4-Bolt w/ Windage Tray Main Stud Kit

$306.31
ARP256-5701
ARP Engine Components Main Stud & Bolt Kits
ARP Ford Modular 4-Bolt w/ Windage Tray Main Stud Kit
ARP Ford Coyote 5.0L Head Stud Kit Quick View
ARP

ARP Ford Coyote 5.0L Head Stud Kit

$513.64
ARP256-4702
ARP Engine Components Head Stud & Bolt Kits Head Stud & Bolt Kits
ARP Ford Coyote 5.0L Head Stud KitThis Part Fits: Year Make Model Submodel 2012 Ford Mustang Boss 302 2011-2012 Ford Mustang GT
ARP 2018-20 Ford Coyote 5.0L V8 Head Stud Kit AJ-USA, Inc Quick View
ARP

ARP 2018-20 Ford Coyote 5.0L V8 Head Stud Kit

$512.19
ARP256-4302
ARP Engine Components Head Stud & Bolt Kits Head Stud & Bolt Kits
ARP 2018-20 Ford Coyote 5.0L V8 Head Stud Kit
ARP 13 Ford Coyote 5.0L V8 Head Stud Kit Quick View
ARP

ARP 13 Ford Coyote 5.0L V8 Head Stud Kit

$384.64
ARP256-4301
ARP Engine Components Head Stud & Bolt Kits Head Stud & Bolt Kits
ARP 13 Ford Coyote 5.0L V8 Head Stud KitThis Part Fits: Year Make Model Submodel 2013 Ford Mustang Boss 302 2013-2014 Ford Mustang GT...
ARP Ford Modular 4.6/5.4L 3 Valve 12 pt Head Stud Kit Quick View
ARP

ARP Ford Modular 4.6/5.4L 3 Valve 12 pt Head Stud Kit

$528.02
ARP256-4202
ARP Engine Components Head Stud & Bolt Kits Head Stud & Bolt Kits
ARP Ford Modular 4.6/5.4L 3 Valve 12 pt Head Stud Kit
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