PFF19-100H - PFF19-100 fits 4WD models only. PFF19-102H - For M10 / 17mm bolt PFF19-103H - For M12 / 19mm bolt PFF19-128H - Please check anti roll bar size, as they vary from car to car. PFR19-111H - This kit is supplied with new mounting bolts. The original Ford bolt needs to be cut off to be removed. PFR19-210-12H - Please check Anti roll bar size before ordering PFR19-210-14H - Check rear roll bar size, especially Sierra XR4i.