<p>Powerflex upper engine mount bushing reduces unwanted and excessive engine movement, especially during hard driving. Stock rubber bushings become too soft and pliable over time, which leads to excess engine and transmission movement, sloppy shifting, and the potential to over-rev the engine. Stiffer urethane transmission bushings will help reduce play in the engine mounts and last longer (backed with a limited lifetime warranty). Replaces OE part #82448242.</p>