Porsche 911 Classic (1967-1969) Engine/Transmission Carrier Bush - PFR57-415H This part acts as both an engine mount for 911/ 930 1965-89 and a transmission mount for 1972-86 models with 915 Transmissions. Two bushes are required for engine applications and two are required for transmission applications. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!