Ford Mustang بريميوم 2019 Manual Gasoline The gearbox has carbon clutch plates. Steel billet forks. Billet gears from GRANNAS company. The gearbox has no issues in any gear and has not been driven hard. I just serviced it. Gear ratio is 2.97. The gearbox comes with an RPS carbon clutch, the company is well-known and its prices are known. And forks. And an original Hurst shifter.