Steeda Adjustable Heavy Duty Engine Mounts 555-4005 Ford Mustang 2005-2014Part Number: 555 4005 Steeda Adjustable Motor Mounts for 2005 2014 5. 0L & 4. 6L Mustang directly replace the weak factory hydra bushing engine mounts. While the factory mounts get the damping job done, they can be prone to fatigue and sagging even with only limited hard use. In addition to being much more durable than the factory engine mounts, these engine mounts are adjustable from factory height up to 3 4 of an inch lower to create clearance for