These polyurethane bushing inserts stiffen up the soft rubber bushings that connect the rear subframe to the chassis on 2008-2014 Subaru WRX and WRX STI cars. These are for the REAR bushing set on the subframe — right near the rear sway bar mounts.
Increase your car’s handling performance by filling the voids in the the soft rubber stock bushings. These Powerflex urethane replacements will improve performance, reduce rear subframe squirm, and allow the rear suspension and differential to do better do their respective jobs.
Set of four polyurethane bushing inserts plus a pair of steel washers, plus installation instructions and a pack of grease. Color may vary. Note that you must have intact rubber bushings to install these into. If the stock rubber bushings are completely gone, you will not be able to use these inserts.
Fits all 2008-2014 Subaru WRX and WRX STI.