BD Diesel remanufactured turbo head units use the latest in aerodynamic technology and materials that feature lightweight, extended-tip compressor wheels with high-flow blade design characteristics for improved throttle response time. They offer cooler exhaust temperatures, improved engine brake retarding power, and the most rugged bearing system in the turbo industry. They feature a new look with natural finished cast aluminum that meets the highest of standards. If you’re looking for a remanufactured turbo head unit that will give you consistent, dependable performance, BD Diesel remanufactured turbo head units won’t let you down. Note: Fits 2500/3500 Models, see 1045779 for Cab & Chassis Model Instructions included to ship core(s) back free of charge Speed sensor is not included. Swap over your speed sensor from your original turbocharger before reinstall.