Latest News

The D&J Heavy Hauler Ready Run engine is designed to provide reliable performance for your diesel engine needs.

The Ready Run Heavy Hauler collection is a designated lineup of "drop in" performance upgrades built specifically for the challenges of heavy duty Cummins diesel engines.

When you’re pushing big power, your transmission components need to be ready for the stress. A performance flexplate is not just a replacement part, it’s a necessary upgrade that solidifies...

These packages are a great example of that and the evolution of diesel performance we take great pride in here at D&J. We wanted an option that includes literally everything...

The foundation of a great oil change kit is the oil itself. We partner with Hot Shot’s Secret because their line of premium, advanced synthetic and semi-synthetic oil is specifically...

Lets talk streamlining success, tackling core returns, more jobs, a new department for racers and new engine packages! These new developments demonstrate our commitment to efficiency, innovation, and customer satisfaction....