For Sonoma/Jimmy/S10/Blazer 4.3L Aluminum Racing 3-Row Radiator+12" Fans (Red)+Mounting Kit Made of High Quality Full T-6061 Aluminum Construction High Performance 3-Row Tri Core Racing Design / Improves Cooling by 35 - 45% Temp. Overall Dimension: 17.5" x 32.75" x 4" / Core Dimension: 16.15" x 27" x 2" / Inlet/Outlet: 1.5"/1.75" Fan Aids to Cool Down the Entire Engine Bay: Including Radiator, A/C System, Intercooler, Oil System, and Transmission Fan Diameter (in): 12.375" / Maximum Fan CFM: 1730 cfm / Maximum Fan RPM: 2,250 rpm / Thickness (in): 2.5" / Amp Draw: 12.70 amps