PFF19-803G is a CNC machined aluminium mount and polyurethane bush to provide 0.6 degrees of positive caster offset for improved handling.  Focus ST and RS owners are all too familiar with the commonly reported  torque steer effect of their vehicles. Our new part provides  caster offset  to improve handling characteristics and has been proven and tested on road and  track.      PFF19-803G Front Wishbone Rear Bush Caster Offset  is a  CNC-machined Aluminium mount with Polyurethane bush providing  approximately 0.6deg of caster offset. This improves camber gain in cornering  without compromising straight line traction.In our Black Shore 80A Black Series material, PFF19-1002G is 270% stiffer than the original rubber bush for those looking for a Track/Competition option, whilst our Purple Shore 95A Road Series material is 55% stiffer than the original bush.