OMG X3 SERIES POLARIS DR120A Brushless ESC - BlackOMG X3 SERIES POLARIS DR120A Brushless ESC Black Feature: This ESC is specially made with focus on 1: 10 drift cars and on road racing. New STOCK version (Professional Competiton version) for adjustable Turbo and Boost Timing. Aluminum metal case with precise CNC engraving. Unique heatsink slot design for better heat dissipation performance. One piece electronic power switch and setting button. Programmable dynamic Turbo and Boost Timing Powerful