Heater Grid Block Delete For 98-07 Dodge Ram 2500/3500 5.9L Cummins S&B CP4 The XD390 Valve Spring Kit

The XD390 Valve Spring Kit is designed to help eliminate valve float due to elevated cylinder pressures and higher boost levels

or a check engine light

including both automatic and manual equipped transmissions

Introducing our all-new full featured auxiliary fuel filter kit for the 2003-2018 Dodge Cummins

and fasteners are all replaced

Heater Grid Block Delete For 98-07 Dodge Ram 2500/3500 5.9L Cummins S&B CP4 The XD390 Valve Spring KitHeater Grid Block Delete For 98 07 Dodge Ram 2500 3500 5. 9L Cummins. For those living in warm climates where cold starts are not an issue, the OE heater grid can be replaced with S&B's Heater Block Delete, which will provide a 30. 91 percent improvement in airflow. S&B's Heater Block Delete is CNC Machined from 6061 T6 Aluminum and is built for extreme performance. Because of its simple, trouble free installation, it's a breeze to switch back to your