ARP / Hardened Washers and Nuts
In the early 1970s, Gary Holzapfel, a racing enthusiast, founded ARP (Automotive Racing Products) after identifying the need for durable fasteners in the racing community. From a garage workshop, ARP has evolved into a diversified manufacturer in Southern California with over 200,000 square feet of operational space. Today, their extensive product line covers every engine, driveline, suspension, and frame component, serving a wide range of applications from high-performance OEM replacements to specialized hardware for elite racing series.Filter by: Balancer Bolts, Bellhousing Bolts, Camshaft Bolts, Carburetors and Blower Studs, Conrod Bolts, Crown Wheel Bolts, Engine Bolt Kits, Flywheel/Flexplate Bolts, Hardened Washers and Nuts, Head Bolts/studs, Intake and Header Bolts, Lubricants, Main Bolts/studs, Oil Pump Drives, Rocker Studs, Starter Motor Bolts, Sump Bolts/studs, Timing Cover Bolts, Torque Converter/Pressure Plate Bolts, Valve Cover Bolts/Studs, Water Pump Bolts, Wheel Studs
Showing 1–16 of 20 results
ARP BOLT PACK 1/2-16 UNC 2.000 UHL
Part Number: ARP617-2000$44.88ARP HARDENED NUTS 1/2 12PT 2PCS UNF
Part Number: ARP300-8324$14.77ARP HARDENED NUTS 1/2 UNF
Part Number: ARP300-8334$95.61ARP HARDENED NUTS 1/2 UNF
Part Number: ARP300-8336$74.73ARP HARDENED NUTS 1/4 12PT 10 PCS UNF
Part Number: ARP300-8330$48.48ARP HARDENED NUTS 3/8 12PT 10 PCS UNF
Part Number: ARP300-8332$44.41ARP HARDENED NUTS 5/16 12PT 10 PCS UNF
Part Number: ARP300-8331$48.78ARP HARDENED NUTS 7/16 UNF
Part Number: ARP300-8333$59.50ARP HARDENED NUTS M10-1.25
Part Number: ARP300-8363$131.54ARP HARDENED NUTS M12-1.25
Part Number: ARP300-8337$139.52ARP HARDENED NUTS M8-1.00
Part Number: ARP300-8360$135.68ARP HARDENED NUTS M8-1.250
Part Number: ARP300-8312$98.67ARP HARDENED STEPPED WASHERS 7/16
Part Number: ARP200-8598$105.96ARP HARDENED WASHERS 1/2 I/D
Part Number: ARP200-8533$18.29ARP HARDENED WASHERS 3/8 I/D
Part Number: ARP200-8685$19.64ARP HARDENED WASHERS 3/8 ID
Part Number: ARP200-8687$19.64