The Sideways Guru fuel injector set is a cost effective way to increase your engine's fuel flow and maximum horsepower potential. All Sideways Guru Fuel Injectors are built from OEM core bodies that have been inspected, cleaned, modified and flow tested. All sets are flow matched within 2% of each other. A complete sheet of actual flow data is included. These injectors will support between 300-330 wheel horsepower.