Roll On Customs® is proud to be an PDI authorized dealer and now offering PDI’s ECM Tuning and Intercooler Testing in Central California that is not available anywhere else in the marketplace. 

Tuning is the simplest and most efficient way to unlock the horsepower and fuel economy that you deserve and PDI is the trucking leader for fuel efficiency and power. Our heavy duty diesel ECM Tuning is offered in a wide variety of applications and is the highest horsepower and efficiency gains in the industry. 


Because every truck driver’s situation is different, ECM tuning is available in different stages of horsepower to match your driving style, application, and performance upgrades. ECM tuning is available for CAT, Cummins, Paccar, Maxxforce and Detroit engines in a wide-variety of years and applications. Go ahead and add a Big Boss Turbo and Manifold to your engine and you can have the most efficient and powerful engine available!

Contact Roll On Customs® today at 1-833-LUGNUTS and ask our diesel specialist, Brandon Wright, about the best combination for you and your truck or shop and get yours today.