RCD 6.0L Ford Power Stroke Fuel Injector6. 0 Power Stroke AA RCD Remanufactured Fuel Injector TWO YEAR WARRANTY RCD AA fuel injectors have years of research and development behind them since 2003, and we back up the quality of every injector with the industry`s best two year warranty. Less than 0. 2 percent warranty rate Improved end cap assemblies with cold start fix Precision matched control valve and spool to minimalize oil leakage and maximize horsepower Nozzle flow testing process to