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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

ARP Cylinder Stud Bolt M10-125 x 4.553in OAL U/C SS

$30.15
ARPATM4.553-12UG
ARP Bolts Under 100
ARP Cylinder Stud Bolt M10-125 x 4.553in OAL U/C SS
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ARP

ARP 3/8 x 1.6 L19 Rod Bolt

$16.31
ARP4AJ1.600-6SU
ARP Engine Components Hardware - Singles Under 100
ARP 3/8 x 1.6 L19 Rod Bolt
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ARP

ARP M12x1.25/1.50 x 4.950in OAL Stud

$15.78
ARPAU4.950-2B
ARP Engine Components Hardware - Singles Under 100
ARP M12x1.25/1.50 x 4.950in OAL Stud
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ARP

ARP M9-1.25 x 5.030in OAL Stud w/Broach

$13.24
ARPAI5.030-2B
ARP Engine Components Hardware - Singles Under 100
ARP M9-1.25 x 5.030in OAL Stud w/Broach
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ARP

ARP M12x4.600in OAL Custom Age 625+ Stud

$54.29
ARPAU4.600-10B
ARP Engine Components Hardware - Singles Rod Bolt Kits Under 100
ARP M12x4.600in OAL Custom Age 625+ Stud
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ARP

ARP M10 x 1.25 / 1.50 x 3.725 ARP 2000 Stud

$9.18
ARPAM3.725-2B
ARP Engine Components Hardware - Singles Hardware Kits - Other Under 100
ARP M10 x 1.25 / 1.50 x 3.725 ARP 2000 Stud
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ARP

ARP M11-1.5 x 7/16-20 x 6.675in OAL Head Stud ARP2000 (One Stud)

$17.64
ARPATP6.675-2GB
ARP Engine Components Hardware - Singles Under 100
ARP M11-1.5 x 7/16-20 x 6.675in OAL Head Stud ARP2000 (One Stud)
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ARP

ARP M11 X 1.5 & 7/16-20 CA625+ Head Stud - Single

$55.24
ARPATP8.150-10LUGB
ARP Engine Components Hardware - Singles Under 100
ARP M11 X 1.5 & 7/16-20 CA625+ Head Stud - Single
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ARP

ARP M10 X 1.25/1.5 x 3.675 ARP2000 Stud (Single)

$9.12
ARPAM3.675-2B
ARP Engine Components Hardware - Singles Under 100
ARP M10 X 1.25/1.5 x 3.675 ARP2000 Stud (Single)
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ARP

ARP Head Set M11 x 1.5 - 5.950 ARP2000 - 25 Pack

$414.50
ARPATP5.950-2LUB-25
ARP Engine Components Head Stud & Bolt Kits
ARP Head Set M11 x 1.5 - 5.950 ARP2000 - 25 Pack
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ARP

ARP 3/8 x 1.6 L19 Rod Bolt - 8 Pack

$132.48
ARP4AJ1.600-6SU-8
ARP Engine Components Rod Bolt Kits
ARP 3/8 x 1.6 L19 Rod Bolt - 8 Pack
ARP 1/4-28 High Tech Self Locking Hex Jet Nut - Cad-Plated Steel Quick View
ARP

ARP 1/4-28 High Tech Self Locking Hex Jet Nut - Cad-Plated Steel

$1.70
ARP200-8102
ARP Engine Components Hardware - Singles Under 100
ARP 1/4-28 High Tech Self Locking Hex Jet Nut - Cad-Plated Steel
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