EVO MFG JL Protek Rear Shock Skids The lower rear shock and control arm mount on the JL is the lowest and most vulnerable component for impact and damage while on the trail. The EVO MFG JL ProTek Rear Shock Skids give the strength and protection needed to help protect your expensive and important suspension components. Fully bolt on with no required cutting, drilling or welding, these skids box in the rear control arm and shock mount with 3/16” steel and offer a ramping flat face to help you sliding up and off obstacles. They comes with both driver and passenger sides skids, powder coated black for corrosion protection and ready for easy installation with standard tools. Compatible on Stock Jeep Wrangler JL/JLU Axles INSTALLATION TIME 1-1.5 HOURS