Chevy and GMC Duramax Diesel Forum banner
  • Hey Everyone! Enter your ride HERE to be a part of this months Ride of the Month Challenge!

diesel performance

  1. News
    Ready for assembly, this LBZ Duramax Variable Vane Turbo has already been inspected, cleaned, machined, and balanced. Modifying the stock unit to the ProMax 64 specifications includes a larger billet compressor wheel and high-flow turbine wheel to increase flow, reduce backpressure, and lower EGT.