Chevy 12-point, Stainless 300
One of the most critical, yet often overlooked, fasteners used in any engine locks the timing in place. ARP offers these premium grade studs, which are equipped with vibration-resistant J-form threads, in black oxide finished chrome moly or rust-proof stainless steel. A special bullet nose helps guide nut into place without cross-threading. Choice of conventional 6-point or space-saving 12-point nuts. Washers included.