ARP Bolts

ARP (Automotive Racing Products) was founded in 1968 in California based on a simple observation: the hardware available on the market could not withstand the demands of motorsport. Drawing on his experience in the aerospace industry, Gary Holzapfel founded the brand to fix this.

Since then, ARP has been the global benchmark for performance hardware. More than 5,500 part numbers cover virtually every engine application: head studs, connecting rod bolts, fastener kits for manifolds, oil pans and flywheels. Each part is machined from proprietary alloys (Chrome-Moly 8740, ARP2000 or Custom Age 625+) to specifications that far exceed aerospace standards.

The fatigue resistance of ARP hardware is up to ten times greater than that of competing products. On the road, it is the guarantee that your build will hold together over time.

Every major championship (F1, IndyCar, NASCAR, NHRA) has been won with engines assembled using ARP hardware. Find their complete catalog here.