Fluidyne's Enduro Engine Oil Cooler line is the standard in cooling for off-road racing vehicles. This unit has visited thousands of off-road winner's circles, where its performance and reliability has been proven. Each Enduro oil cooler features Fluidyne's advanced Therm-HX oval-tube technology for exceptional cooling effectiveness. A shrouded, 11-inch electric fan is mounted directly on the Enduro cooler allowing installation in any remote location. Multiple threaded fittings are included for the installations of a transmission oil temperature gauge sensor right on the cooler where it can indicate either oil inlet temperature or oil outlet temperature. Use Enduro oil coolers when building your prerunner or trophy truck and have tried and proven cooling performance in the most extreme racing conditions. Available in single-pass and two-pass configurations.