ARP Engine Hardware and Fasteners
ARP is the world leader in automotive fastener technology. ARP products are proudly made in the USA.
ARP started applying technology to race fastener design and manufacturing in 1968 and was the first company to design and engineer fasteners specifically for racing. They developed many patented process for manufacturing high strength fasteners from very strong materials and have continued to improve their processes and quality control with manufacturing operations that are ISO 9001 and AS9100 registered. These registrations represent ARP's unwavering dedication to producing quality fasteners, continually improving our quality management system and delivering total customer satisfaction. There is no another company in the world that is as focused on building superior quality fasteners for all forms of racing and non-racing applications as Automotive Racing Products.
LN Engineering recommends ARP fasteners and its Nickies Cylinders were developed for and tested with ARP Head Studs in the ARP 2000 and Custom Age 625 alloy. ARP manufactures fasteners from a wide assortment of materials ranging from popular stainless steel and 8740 chrome moly to exotic alloys to meet the application requirements for each fastener.
For best results, follow the instructions provided with your new ARP fasteners, as they may differ from factory specifications or installation procedures and proper installation is critical for any fastener. ARP offers a detailed Fastener Installation Overview that goes over the difference between the three generally accepted methods employed to determine how much tension is exerted on a fastener.