D&J Stage 1 Performance Head 03-07 Ram 5.9L Cummins Add Fire Ring And Head Gasket:No Gaskets allowing it to withstand the

allowing it to withstand the demands of your engine

So when the tiny spikes happen

With an easy bolt-on installation

The MK-2+ CHMB System adds a high efficiency Fleetguard 2 micron filter between the stock fuel filter and your expensive injection pump

While most aftermarket flares are simply a thin single sheet of vacuum formed plastic

D&J Stage 1 Performance Head 03-07 Ram 5.9L Cummins Add Fire Ring And Head Gasket:No Gaskets allowing it to withstand theAre you rebuilding your Cummins and want to maximize the power and airflow? The D&J Precision Machine Stage 1 Performance Head is designed to take everything that holds the factory head back, airflow limitations, durability concerns, and long term reliability, and fix it in one complete package. This isnt just a replacement; its a noticeable step up that lets your engine breathe better, run stronger, and stay consistent. Perfect for daily drivers and