XTRAC P1154 Actuator McLaren GT3
Used Xtrac P1154 sequential gearbox actuator, IVA, used in LMP & GT3 cars
These are ex Nissan LMP1
I have x6 if you need more than one
Here's a transmission actuator from the U.K.-based company. It uses three pistons for speedier shifts, which Xtrac reports are completed in up to an astounding 0.03 seconds!