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ARP: Automotive Racing Products


 About Automotive Racing Products

ARP are a manufacturer of fasteners/bolts found in engines and drivelines, ranging from OEM replacement parts to specialty hardware for racing applications. ARP is the world leader in fastener technology.

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.

We stock a large range of ARP fasteners including head, rod, header and main stud kits/bolt kits as well as assembly lubrication, stretch gauges and more. Get in touch if you would like to buy ARP bolts or become a dealer.

The ARP Manufacturing process

Raw Materialsthreads

In order to ensure optimum quality control, ARP has grown to be exceptionally self-reliant and now controls all aspects of the manufacturing process. 

All operations are performed in-house and closely monitored. This is how ARP has been able to establish a reputation for “zero defects” quality throughout the industry.

The process begins right at the mill, where ARP orders only premium grade materials including several proprietary alloys. The ever-popular 8740 chrome moly steel, for example, comes from the mill in four distinct grades. The lowest is “commercial,” which is followed by “aircraft quality.” ARP uses only the top two grades (SDF and CHQ), which cost twice as much, but provide the foundation for defect-free fasteners. These materials come in bar stock (for studs) and huge coils (for bolts).


ARP Price Lists

xls ARP Retail Price List - XLS


Links below will take you away from

Buy ARP bolts and other parts online at our retail shop

Official Website

ARP Fitting Instructions

ARP Bolt installation Information 




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