CUMMINS ECM POWER TUNE Detroit DD15 Cylinder Head Available for all Cummins X15

Available for all Cummins X15 and ISX Engines

One (1) bar Yellow Deluxe Polishing Compound

Big Boss performance radiators for Peterbilt 379 models feature a dimpled tube design to allow coolant more time to cool properly for more demanding applications

Requirements: Big Boss Exhaust Manifold (Part # 6114 for N14 Engines OR Part # 7445 for ISX Engines)

Rebel Liquid Detailing Kit Includes:

CUMMINS ECM POWER TUNE Detroit DD15 Cylinder Head Available for all Cummins X15PDIs BIG BOSS ECMs offer tuning that is not available anywhere else in the marketplace. The Heavy Duty Diesel ECM Tuning that we offer in a wide variety of applications is the highest horsepower and efficiency gains in the industry. PDI is the trucking leader for fuel efficiency and power! With top of the line tuning available for your engine, PDI has what it takes to keep you rolling past the pump and be the first to the top! Tuning is the simplest