Mitsubishi Lancer Evolution IV, V & VI RS/GSR (1996 - 2001) Front Lower Diff Mount (Track) 70.5mm Diameter - PFF44-108 PFF44-108 is made in our Purple 80A material and recommend for track use. A small increase in NVH, usually at idle, should be expected when stiffening the connecting mount between the engine/transmission and chassis. The harder the material used, the greater the NVH transmitted. Please check the size before ordering. PFF44-107 is 60mm Diameter, whilst PFF44-108 is 70.5mm in diameter. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!