Nissan Micra K12 - Gen3 (2003 - 2010) Gearbox Mounting Bush Insert - PFF60-525BLK This polyurethane insert fits into and fills voids in the original rubber bush. It is designed to limit movement of the engine and gearbox to provide additional stability under acceleration. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!