"Designed specifically for use on TJ Wranglers with Long Arm Suspension Systems, this Skid Plate is made of 1/4" thick steel and is reinforced with 1/4" angle to provide beefy protection for your engine's oil pan and transmission. Includes an oil drain opening so that oil changes can be made without having to remove the skid plate. Drilling two holes on the leading edge of the existing transfer case skid plate is required. Mounting hardware included. Black Powder Coat finish. Measurement from leading edge of transfer case skid plate to center of oil pan drain plug should be approximately 16"."