Derale Performance | The leader in performance cooling! Fan Clutch Fans. Standard Rotation; Reverse Rotation; Fan Spacers; Fluid Coolers. Engine. Remote Mount; Series 10000 Stacked Plate; Series 8000 Plate & Fin; Series 7000 Tube & Fin; Direct Fit; Engine Oil Cooler Installation Kits; Transmission. Remote Mount; Series 10000 Stack Plate; Series 9000 Plate & Fin; Series 8000 Plate & Fin; Series 7000 DERALE 16739 INSTALLATION INSTRUCTIONS Pdf Download. View and Download Derale 16739 installation instructions online. DUAL FAN CONFIGURATION. Fan #1. Orange Wire: Using a Blue Butt Connector provided attach the Orange wire to the Positive (+) electric fan lead on fan #1. Derale Performance, Los Angeles, CA 800 Dual Powerpacks : High Output Dual 12" Electric RAD Fan The dual 12" high output electric fans are some of the most proven and reliable fans in our line-up. Offering a total of 4000 CFM, this dual electric fan assembly generates the most real-world airflow in the smallest package on the market.