Rampage Chrome Grille Insert is designed to allow air pass through the engine compartment of your 1987-1995 Jeep Wrangler YJ to cool the vehicle’s engine and prevent the vehicle from overheating. It is crafted from chrome plastic and will not rust, corrode or peel during any situation. This chrome grille insert protects the engine from off-road elements like road debris such as papers, plastic, broken glasses, stones, etc., from getting through to the engine compartment. It is easy to install on most vehicles and does not require drilling..