CSF 10-12 Ram 2500 / 3500 6.7L Cummins Turbo Diesel Heavy Duty IntercoolerCSF Heavy Duty Intercoolers are the perfect upgrade for your Cummins Ram Truck. The Heavy Duty Bar & Plate Construction All Aluminum Cast Endtanks have been Pressure Tested at 120 psi for Maximum Reliability in Extreme Boost Applications. Heavy duty bar & plate core construction All aluminium cast endtanks High Density internal external fin design for maximum surface area contact and high performance cooling efficiency Drop in fit requiring no