ARP, the market leader in assembly and sealing materials for engines, is a manufacturer of engine bolts, nuts, and washers. They produce these parts as original replacement parts and even the most specialized hardware for racing applications, including Formula 1, IndyCar, NASCAR, NHRA drag racing, and even marine applications.

ARP works directly with the largest teams in motorsports but can also meet the needs of private customers with their excellent technical support or custom-made parts..

Since 1968, ARP has gained extensive experience in design, installation, metallurgy, and selecting the best materials. Identifying common and uncommon flaws in steel is a priority for them to ensure the highest quality in the materials used.