S&B Heater Block 1998-07 Dodge Ram 2500 3500 5.9L

S&B Heater Block 98-07 Dodge Ram 2500 3500 5.9L HEATER BLOCK DELETE FOR 1998-2007 DODGE RAM CUMMINS 5.9L 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% improvement in airflow.