Heater Grid Block Delete For 98-07 Dodge Ram 2500/3500 5.9L Cummins S&B CP4 84AR and flows MORE air

84AR and flows MORE air than the old 1

we always recommend you check your fuel pressure under load after installation

Will not crack or breakdown like the OEM foam or rubber bushings

or a check engine light

and fasteners are all replaced

Heater Grid Block Delete For 98-07 Dodge Ram 2500/3500 5.9L Cummins S&B CP4 84AR and flows MORE airHeater 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