The Prothane coil spring isolator for 2009 and newer Ford F-150 front coils is a 2-inch lift spacer offered in black as a replacement isolator. It sits between spring and mount to preserve proper ride geometry after a modest lift and reduce metal-to-metal contact, providing a simple, vehicle-specific component for suspension maintenance or light modification.
Prothane 09+ Ford F150 Front Coil Spring 2in Lift Spacer - Black