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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 Hyundai Genesis G4KF 2L 2010+ Valve Cover Bolt Kit Quick View
ARP

ARP Hyundai Genesis G4KF 2L 2010+ Valve Cover Bolt Kit

$84.69
ARP428-7501
ARP Engine Components Hardware Kits - Other Under 100
ARP Hyundai Genesis G4KF 2L 2010+ Valve Cover Bolt Kit
ARP M10 x 1.25 SS 12pt Nut Kit (10/pkg) Quick View
ARP

ARP M10 x 1.25 SS 12pt Nut Kit (10/pkg)

$61.10
ARP400-8364
ARP Engine Components Hardware Kits - Other Under 100
ARP M10 x 1.25 SS 12pt Nut Kit (10/pkg)
ARP M10 x 1.25 x 55mm Broached Stud Kit (10pcs) Quick View
ARP

ARP M10 x 1.25 x 55mm Broached Stud Kit (10pcs)

$159.66
ARP400-8027
ARP Engine Components Hardware - Singles Hardware Kits - Other
ARP M10 x 1.25 x 55mm Broached Stud Kit (10pcs)
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ARP Sport Compact M10 x 1.25 x 48mm Stainless Accessory Studs (8 pack) Quick View
ARP

ARP Sport Compact M10 x 1.25 x 48mm Stainless Accessory Studs (8 pack)

$126.23
ARP400-8016
ARP Engine Components Hardware - Singles Hardware Kits - Other
ARP Sport Compact M10 x 1.25 x 48mm Stainless Accessory Studs (8 pack)
ARP Duramax 6.6L LBZ/LLY/LML/LMM Hex Valve Cover Bolt Kit - Polished Stainless Steel Quick View
ARP

ARP Duramax 6.6L LBZ/LLY/LML/LMM Hex Valve Cover Bolt Kit - Polished Stainless Steel

$186.06
ARP400-7534
ARP Engine Components Hardware Kits - Other
ARP Duramax 6.6L LBZ/LLY/LML/LMM Hex Valve Cover Bolt Kit - Polished Stainless Steel
ARP 12mm x 1.25 16mm Socket 12pt Nut Kit (10 pack) Quick View
ARP

ARP 12mm x 1.25 16mm Socket 12pt Nut Kit (10 pack)

$47.97
ARP301-8400
ARP Engine Components Hardware Kits - Other Under 100
ARP 12mm x 1.25 16mm Socket 12pt Nut Kit (10 pack)
ARP 7/16-20 5/8 Socket 12 pt Nut Kit Quick View
ARP

ARP 7/16-20 5/8 Socket 12 pt Nut Kit

$20.58
ARP301-8354
ARP Engine Components Hardware Kits - Other Under 100
ARP 7/16-20 5/8 Socket 12 pt Nut Kit
ARP M12 x 1.25 12pt Nut Kit Single Quick View
ARP

ARP M12 x 1.25 12pt Nut Kit Single

$4.79
ARP301-8318
ARP Engine Components Hardware Kits - Other Under 100
ARP M12 x 1.25 12pt Nut Kit Single
ARP 7/16-20 1/2 Socket 12pt Nut Kit Quick View
ARP

ARP 7/16-20 1/2 Socket 12pt Nut Kit

$2.04
ARP301-8316
ARP Engine Components Hardware Kits - Other Under 100
ARP 7/16-20 1/2 Socket 12pt Nut Kit
ARP M9 x 1.0 13mm Wrenching Nut Kit Quick View
ARP

ARP M9 x 1.0 13mm Wrenching Nut Kit

$4.69
ARP301-8308
ARP Engine Components Hardware Kits - Other Under 100
ARP M9 x 1.0 13mm Wrenching Nut Kit
ARP Polaris RZR 900cc/1000cc Head Stud Kit Quick View
ARP

ARP Polaris RZR 900cc/1000cc Head Stud Kit

$150.58
ARP288-4701
ARP Engine Components Head Stud & Bolt Kits
ARP Polaris RZR 900cc/1000cc Head Stud Kit
ARP Subaru 2.0L FA20 4Cyl Flywheel Bolt Kit Quick View
ARP

ARP Subaru 2.0L FA20 4Cyl Flywheel Bolt Kit

$52.12
ARP260-2801
ARP Engine Components Hardware Kits - Other Under 100
ARP Subaru 2.0L FA20 4Cyl Flywheel Bolt Kit
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