Rossler TH-400 transmission with reverse shift pattern. 2.75 straight cut lighten gear set with a 1.52 second gear ration with aluminum 5 clutch direct drum, heavy duty 36 element sprag, Lightened forward drum, deep pan, Lokar aluminum quick coupler for dipstick. Dipstick not included. 13 runs since freshened. Used in our Super Stock car, very reliable with no problems at all. Selling because of changing combinations. $2250.