The A1 6R140 Stage 2 Transmission for 2011+ Ford F-250/F-350 is built to handle 1,000+ horsepower with upgraded billet components for added strength and reliability. Featuring a billet intermediate shaft and hub, welded input hub, cast aluminum pan, and an A1-spec billet cover quad disc torque converter, this transmission is designed for high-performance street, towing, and heavy-duty applications. Backed by a 2-year unlimited mileage warranty against build defects and workmanship.