Optitorque Technologies Llc Main Stud Kit - Patriot Series. Manufacturer part number 10529. Sold as a kit. Black Oxide.
The Optitorque Technologies Llc for Big Block Chevy Main Stud Kit 4 Bolt Mains 10529 is ideal for custom or engine builders who require a strong and reliable main stud kit for their 4-bolt Chevy engines.
