Powerflex Polyurethane Bush kit for CADILLAC BLS (2005 - 2010) Rear Lower Engine Mount Insert - PFF66-521BLK - Fits the rear lower engine mount where the original bush has a rectangular central sleeve fitted before 2005, for mounts with a round sleeve use PFF80-1221. This fits into bracket 12785099. Fits into the voiding of the original bush to reduce engine movement under acceleration. - Bush Size: - PRICE IS PER CAR KIT, NOT per bush. Powerflex usually price their bushes singly, but we have combined the QTY and price to keep it simple for you!