From the factory the Jeep Wrangler JL comes with decent skid plates for most of the undercarriage components but the most important and expensive components, engine and transmission, are left completely unprotected and therefore vulnerable to trail damage. The EVO MFG JL 3.6L Protek Engine/Trans Skid Plate system protects these vital components with a 3/16" Steel Skid, Laser cut and CNC Formed to give ideal clearance and strength. Protecting the unprotected. EVO-3039B is compatible with all EVO MFG JL Suspension Systems. Easy to install with normal hand tools. No drilling, cutting or welding required. All required installation hardware included.