TUNING IS REQUIRED FOR THESE FUEL INJECTORS. CONTACT BNR FOR TUNING OPTIONS Fits LUJ/LUV engine in 2011-2015 and some legacy 2016 GM vehicles. Adapters are required for installation, and are included in your purchase. Set of (4) 60lb High Performance fuel injectors and (4) adapter kits E85 compatible Flow balanced to within 1-2% Excellent spray pattern and atomization for optimized idle and tuning 3-year comprehensive warranty
