The next alteration is between the MK3 cars anti-roll bar and the MK4's. As far as I am aware the actual anti-roll bars themselves are the same but the mounting plates are different. The difference is in the number of and location of the plates mounting bolt holes. The MK3 cars plates are secured to the shell with four bolts on each plate, two securing it to the front cross member on each side of the car and two securing it to the respective inner wing. The MK4 car however has only three securing bolts with only one bolt locating in the inner wing.