Honda and Acura D16A/D16Z M10 APR Head Stud Kit

ARP was the first company to design and engineer fasteners specifically for racing. We developed many patented process for manufacturing high strength fasteners from very strong materials. We have continued to improve our processes and quality control and we are now our manufacturing operations are ISO 9001 and AS9100 registered. There's not another company in the world that is as focused on building superior quality fasteners for all forms of racing and non-racing applications as ARP.