Audi A4 / S4 / RS4 A4 / S4 B6 (2001-2005) Engine Snub Nose Mount - PFF3-221 This part fits vehicles with a D shape engine mount spigot. For vehicles that use a cylindrical spigot, please use PFF3-220. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!