At the time, there were no commercially available studs and bolts up to the challenge. So Holzapfel called upon his many years of fastener making experience for a leading aerospace subcontractor and founded ARP (Automotive Racing Products). Today, ARP’s product line contains thousands of part numbers, and has expanded to features 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. .
ARP Auto Racing 400-8300 BOLT KIT
12 Point nuts, all ARP 12 point nuts are constructed from aerospace quality materials and meet their high standards of excellence. Rated 180,000 Pounds Per Square Inch tensile strength, ARP 12 point nuts are manufactured in thick wall versions for optimum strength and rigidity and thin wall versions for applications with limited space requirements. All 8740 chrome moly steel nuts are black oxide finished and all stainless steel nuts are polished to a brilliant luster. .
ARP Auto Racing 200-8588 WASHER
A true high performance washer from ARP, available in a variety of sizes and thickness, and with or without Inside Diameter chamfers. All are constructed from premium chrome moly and are parallel ground, hardened, and finished in black oxide. Our 3/8 Inch Inside Diameter washers, for example, come in four different sizes Outer Diameter and different thicknesses. Special connecting rod washers are available, as are some of the more popular metric sizes. All of the washers are available individually, with most of them also offered in handy 2 piece and 10 piece packages. Build up an inventory of these premium quality washers so you won’t get caught short when the need arises. .
ARP Auto Racing 401-8300 LUG NUTS
ARP 12-point nuts are constructed from 8740 chrome moly steel or ARP 300 Series stainless steel material, and meet ARP highest standards of quality. Rated at 180,000 PSI tensile strength, ARP 12-point nuts are manufactured in thick wall versions for optimum strength and rigidity and thin wall versions for applications with limited space requirements. All 8740 chrome moly steel nuts are black oxide finished and all stainless steel nuts are polished to a brilliant luster. ARP 12-point nuts are available in 1-piece bulk, 2-piece and 10 piece packages. .