A race enthusiast by the name of Gary Holzapfel founded ARP-bolts in the 1970s. Today ARP’s product line contains thousands of part numbers. ARP 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, Indy Car, NASCAR, and NHRA drag racing and marine applications.

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