Choose between:TCU TurboLamikPCBWIRING HARNESS:UNIVERSAL CAN OR ANALOG OR 6HP TO 8HPProgram SwitchLCD DISPLAYEpoxy Potting Compound or TCU TurboLamikPCBWIRING HARNESS:UNIVERSAL CAN OR ANALOG OR 6HP TO 8HPProgram SwitchLCD DISPLAY8HP MECHATRONICS COVER (seal w/ high temp RTV) TurboLamik TCU 2.0 is an advanced transmission controller for the extremely popular and durable ZF 8HP transmissions.It allows you to control the ZF transmission in 8 modes varying from basic automatic to race sequential style If you're not familiar with this controller I suggest YouTube TurboLamik TCU 2.0 was the first 8HP controller on the market and it has been in continual development for over 10 years and been successfully used in many cars from everyday cars to high HP drag cars. Also vary popular for track use and drift.  Supports: 8HP45, 8HP50, 8HP55, 8HP70, 8HP75, 8HP90  TCU 2.0 can be used for: Street useDrag RacingRaceOFF ROADDriftHill Climb8 driving modes - From an OEM automatic feel to full race with a flip of a switch!!!Manual, auto, semi auto shifting mode using a shifter, sequential style shifter or paddlesTransbrake optionAutomatic AdaptationSelf diagnosis with error codes showing on external displayThis TCU also supports a digital clutch so you can drive it exactly like if you were driving a manual trans car. Clutch is digital but world and feels like a regular clutchYour ZF 8HP gearbox will need a modification to bypass the internal TCU. PCB board is soldered in place of the factory TCU and all gearbox commands will be executed externally using TurboLamik TCU.