Boost your Navistar Maxxforce 7 engine with the High and Low Pressure Turbo, model B1+B2, from PROTURBO REMAN. This remanufactured turbocharger comes with a 1-year manufacturer's warranty, making it a reliable choice for models from 2010 to 2012. It's designed to enhance both high and low pressure turbo systems. Cross-reference numbers include 12749900075 and 179322.