This is a pair of PowerStroke HD Shock Caps for X-MAXX®. Do you want to upgrade your X-MAXX® shock caps from plastic to CNC machined Aluminum? Pro-Line has the solution for you! Introducing the all-new PowerStroke HD Aluminum Shock Caps made for the X-MAXX®. These black anodized shock caps with laser etched P-L logos will add strength and style to your truck. The PowerStroke HD Shock Caps include new racing style shock bladders and CNC machined black Delrin mounting bushings to complete this performance upgrade package. Get your own pair of PowerStroke HD Shock Caps now!