GS tyre killer is one of the highest security vehicle access control systems in which a vehicle without permission cannot enter. Tyres of the unpermitted vehicle splits open immediately, therefore the vehicle moves only a few more meters and is stopped. Jaws of the tire killer move all together. Drive unit is placed to one end of the tire killer, it stands above the ground level and is a complete assembly with the body. In this way, both smooth transmission of motion and minimum effect of external factors are achieved.