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(ARP) Automotive Racing Products - Performance Engine Components & Accessories

Founded in 1968 by racing enthusiast Gary Holzapfel, ARP (Automotive Racing Products) set out to solve a critical need: fasteners strong enough for high-stress engine and motorsport use. Starting in a garage, ARP has grown into a multi-facility powerhouse in Southern California, handling everything in‑house—from forging, machining, heat-treating, and thread-rolling, to rigorous quality control and packaging.

With thousands of part numbers covering engine, driveline, suspension, and chassis applications, ARP fasteners are trusted in Formula 1, IndyCar, NASCAR, NHRA, land-speed racing, and street builds. Their factory tour—covered by Hagerty, MotorTrend, and EngineLabs—highlights their meticulous “chocolate cookie recipe” for quality: premium raw materials, precise forging, heat treatment, rolled threads, and destructive testing for every batch.

ARP’s commitment to “zero-defects” and full control of the manufacturing process makes them the gold standard in performance fasteners.

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ARP M8 x 1.25 x 30 12pt Black Oxide Bolts (5/pkg) ARP M8 x 1.25 x 30 12pt Black Oxide Bolts (5/pkg)
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ARP M8 x 1.25 x 30 12pt Black Oxide Bolts...
ARP M8 x 1.25 x 30 12pt Black Oxide Bolts (5/pkg)
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$13.95
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ARP M12 x 1.50 x 100 Hex Black Oxide Bolts (5/pkg) ARP M12 x 1.50 x 100 Hex Black Oxide Bolts (5/pkg)
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ARP M12 x 1.50 x 100 Hex Black Oxide Bolts...
ARP M12 x 1.50 x 100 Hex Black Oxide Bolts (5/pkg)
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$32.95
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ARP M12 x 1.50 x 50 Black Oxide Hex Bolts (5/pkg) ARP M12 x 1.50 x 50 Black Oxide Hex Bolts (5/pkg)
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ARP M12 x 1.50 x 50 Black Oxide Hex Bolts...
ARP M12 x 1.50 x 50 Black Oxide Hex Bolts (5/pkg)
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$24.95
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ARP M10 x 1.25 80mm UHL Hex SS Bolts (5/pkg) ARP M10 x 1.25 80mm UHL Hex SS Bolts (5/pkg)
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ARP M10 x 1.25 80mm UHL Hex SS Bolts (5/pkg)
ARP M10 x 1.25 80mm UHL Hex SS Bolts (5/pkg)
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$21.95
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ARP M10 x 1.25 x 60 Hex Black Oxide Bolts (5/pkg) ARP M10 x 1.25 x 60 Hex Black Oxide Bolts (5/pkg)
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ARP M10 x 1.25 x 60 Hex Black Oxide Bolts...
ARP M10 x 1.25 x 60 Hex Black Oxide Bolts (5/pkg)
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$20.95
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ARP M10 x 1.25 x 50 Hex Black Oxide Bolts (5/pkg) ARP M10 x 1.25 x 50 Hex Black Oxide Bolts (5/pkg)
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ARP M10 x 1.25 x 50 Hex Black Oxide Bolts...
ARP M10 x 1.25 x 50 Hex Black Oxide Bolts (5/pkg)
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$20.95
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ARP M10 x 1.25 x 45 Hex Black Oxide Bolts (5/pkg) ARP M10 x 1.25 x 45 Hex Black Oxide Bolts (5/pkg)
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ARP M10 x 1.25 x 45 Hex Black Oxide Bolts...
ARP M10 x 1.25 x 45 Hex Black Oxide Bolts (5/pkg)
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$19.95
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ARP M10 x 1.25 x 30 Hex Black Oxide Bolts (5/pkg) ARP M10 x 1.25 x 30 Hex Black Oxide Bolts (5/pkg)
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ARP M10 x 1.25 x 30 Hex Black Oxide Bolts...
ARP M10 x 1.25 x 30 Hex Black Oxide Bolts (5/pkg)
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$14.95
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ARP M10 x 1.50 x 70 Hex Black Oxide Bolts (5/pkg) ARP M10 x 1.50 x 70 Hex Black Oxide Bolts (5/pkg)
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ARP M10 x 1.50 x 70 Hex Black Oxide Bolts...
ARP M10 x 1.50 x 70 Hex Black Oxide Bolts (5/pkg)
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$21.95
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ARP M10 x 1.50 x 35 Hex Black Oxide Bolts (5/pkg) ARP M10 x 1.50 x 35 Hex Black Oxide Bolts (5/pkg)
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ARP M10 x 1.50 x 35 Hex Black Oxide Bolts...
ARP M10 x 1.50 x 35 Hex Black Oxide Bolts (5/pkg)
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$19.95
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ARP M10 x 1.50 x 30 hex black oxide bolts (5/pkg) ARP M10 x 1.50 x 30 hex black oxide bolts (5/pkg)
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ARP M10 x 1.50 x 30 hex black oxide bolts...
ARP M10 x 1.50 x 30 hex black oxide bolts (5/pkg)
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$14.95
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ARP M8 x 1.25 x 12 Hex Black Oxide Bolts (5/pkg) ARP M8 x 1.25 x 12 Hex Black Oxide Bolts (5/pkg)
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ARP M8 x 1.25 x 12 Hex Black Oxide Bolts...
ARP M8 x 1.25 x 12 Hex Black Oxide Bolts (5/pkg)
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$12.95
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ARP M8 X 1.25 X 90 Hex Black Oxide Bolts ARP M8 X 1.25 X 90 Hex Black Oxide Bolts
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ARP M8 X 1.25 X 90 Hex Black Oxide Bolts
ARP M8 X 1.25 X 90 Hex Black Oxide Bolts
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$20.95
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ARP M8 x 1.25 x 55 Hex Black Oxide Bolts (5/pkg) ARP M8 x 1.25 x 55 Hex Black Oxide Bolts (5/pkg)
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ARP M8 x 1.25 x 55 Hex Black Oxide Bolts...
ARP M8 x 1.25 x 55 Hex Black Oxide Bolts (5/pkg)
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$19.95
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ARP M8 x 1.25 x 20 Black Oxide Hex Bolts (5/pkg) ARP M8 x 1.25 x 20 Black Oxide Hex Bolts (5/pkg)
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ARP M8 x 1.25 x 20 Black Oxide Hex Bolts...
ARP M8 x 1.25 x 20 Black Oxide Hex Bolts (5/pkg)
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$12.95
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ARP M6 X 1.00 X 80 Hex Black Oxide Bolts - 5pk ARP M6 X 1.00 X 80 Hex Black Oxide Bolts - 5pk
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ARP M6 X 1.00 X 80 Hex Black Oxide Bolts...
ARP M6 X 1.00 X 80 Hex Black Oxide Bolts - 5pk
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$18.95
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ARP M6 x 1.00 x 35 Hex Black Oxide Hex Bolts (5/pkg) ARP M6 x 1.00 x 35 Hex Black Oxide Hex Bolts (5/pkg)
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ARP M6 x 1.00 x 35 Hex Black Oxide Hex...
ARP M6 x 1.00 x 35 Hex Black Oxide Hex Bolts (5/pkg)
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$17.95
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ARP M6 x 1.00 x 25 Black Oxide Hex Bolts (5/pkg) ARP M6 x 1.00 x 25 Black Oxide Hex Bolts (5/pkg)
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ARP M6 x 1.00 x 25 Black Oxide Hex Bolts...
ARP M6 x 1.00 x 25 Black Oxide Hex Bolts (5/pkg)
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$12.95
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ARP 1/2-13 in. Thread, 4.00 in Stainless Steel 300 Bolts - Set of 5 ARP 1/2-13 in. Thread, 4.00 in Stainless Steel 300 Bolts - Set of 5
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ARP 1/2-13 in. Thread, 4.00 in Stainless Steel 300 Bolts...
ARP 1/2-13 in. Thread, 4.00 in Stainless Steel 300 Bolts - Set of 5
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$48.95
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ARP 1/2-13 in. Thread, 2.75 in Stainless Steel 300 Bolts - Set of 5 ARP 1/2-13 in. Thread, 2.75 in Stainless Steel 300 Bolts - Set of 5
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ARP 1/2-13 in. Thread, 2.75 in Stainless Steel 300 Bolts...
ARP 1/2-13 in. Thread, 2.75 in Stainless Steel 300 Bolts - Set of 5
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$41.95
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ARP 1/2-13 X 2.250 12pt SS Bolts ARP 1/2-13 X 2.250 12pt SS Bolts
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ARP 1/2-13 X 2.250 12pt SS Bolts
ARP 1/2-13 X 2.250 12pt SS Bolts
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$38.95
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ARP 3/8 in.-16 RH Thread, 1.500 in Hex Head Bolts - Set of 5 ARP 3/8 in.-16 RH Thread, 1.500 in Hex Head Bolts - Set of 5
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ARP 3/8 in.-16 RH Thread, 1.500 in Hex Head Bolts...
ARP 3/8 in.-16 RH Thread, 1.500 in Hex Head Bolts - Set of 5
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$15.95
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ARP 3/8 in.-16 RH Thread, .750 in Hex Head Bolts - Set of 5 ARP 3/8 in.-16 RH Thread, .750 in Hex Head Bolts - Set of 5
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ARP 3/8 in.-16 RH Thread, .750 in Hex Head Bolts...
ARP 3/8 in.-16 RH Thread, .750 in Hex Head Bolts - Set of 5
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$12.95
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ARP 3/8-16 X 3.750 hex black oxide bolts ARP 3/8-16 X 3.750 hex black oxide bolts
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ARP 3/8-16 X 3.750 hex black oxide bolts
ARP 3/8-16 X 3.750 hex black oxide bolts
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$21.95
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