This kit is a Grade 8 Stainless Steel ARP (American Racing Products) crank pulley bolt & washer kit for the Mopar Big Block V-8 engines. These are not only good looking, and don’t rust, but they are super strong and have a polished finish. These bolts have a tensile strength of 170,000 psi. They have a 6 point flanged head for easier access in the tight spots. This kit also includes AN stainless washers.
YOU HAVE TO TELL US AT THE TIME OF PURCHASE IF YOUR CRANK PULLEY USES 5/16 OR 3/8 DIAMETER BOLTS. WE CAN’T SHIP UNTIL WE HEAR FROM YOU.