This radiator is a Direct Fit for all 1967-87 C10 Trucks/Blazer with LS engines with an automatic or manual transmission. Inlet and outlet are on the passenger side. This radiator features factory type press formed end tanks, dual row core, and serpentine fins. This radiator will provide 30% more cooling than the stock copper unit and half the weight. Features Dual 11" Spal fans with 2780 CFM. It is epoxy free, it will fit into the stock core support. Radiator comes with 2 rows of 1" tubes, Dual fans, Billet DeWitt's Cap, Temp sensor in the radiator, stem line, Relays, and wiring. Automatic transmission applications include 4 plate aluminum transmission cooler, aluminum plate cooler with 3/8" NPT port threads and Jiffy-Tite quick connect fittings included. Aluminum plate style coolers will offer twice the cooling of the OE Copper style coolers. Transmission Cooler is located on the Passenger side.