Changing The Front And Rear Drive Ratio,
This Is A Ball Differential FCD (Full Counter Drift) Gear Set That Allows For Counter Drift Driving With The Drift Package Series.
It Is A Reduction Gear That Rotates The Front At 0.69 Times (41Tx12T) Compared To The Rear Rotation Speed, Requiring More Delicate Operation Compared To The Normal (Constant Speed).