The ARP 230-7301 Chevy Powerglide TH350/400 PRODUCTION Torque Convertor Bolt Kit is a high-performance part manufactured in the United States by ARP. Made with black oxide surface finish, this kit is designed to enhance the torque converter performance in Chevy vehicles. The ARP brand is known for producing top-quality fasteners and stud kits for auto performance parts, making this product a reliable choice for automotive enthusiasts looking to improve their engine and components.