Steel transmission cooler adapter kit that converts GM spring-lock transmission ports to -6 AN lines. Designed for 4L60, 4L80, and GM 6-speed manual transmissions, these adapters provide a clean, secure connection for custom cooler plumbing. Each fitting locks into the factory spring-lock port and transitions to a standard -6 AN outlet for braided or hard-line systems. Sold as a pair and ideal for performance or retrofit applications requiring durable AN-style connections.