Cummins P-Pump Stage 2 Nozzle Set 4BT Dynomite Diesel Electronic Performance Upgrades Essentially the same as Heavy

Essentially the same as Heavy Duty mode except shifts are much quicker

This air intake system produces 8 max horsepower and 15 lbs

7 percent more MPG

Delivers power on demand by removing factory's power delay

Cummins P-Pump Stage 2 Nozzle Set 4BT Dynomite Diesel Electronic Performance Upgrades Essentially the same as HeavyCummins 4BT with P Pump Nozzle Set: MPG increase, great smoke control. Nozzles can support up to 350 RWHP. Not recommended for frequent or heavy towing with a stock turbo charger. Recommend timing set to 18 19 degrees. Recommend having nozzles installed, and injector opening pressure set to 270 BAR by a qualified professional.