Our Tappet Cover w/ Oil Separator features an oil catch can with an internal baffle system that helps keep the oil inside the crankcase where it belongs! If your looking for a Tappet Cover, this will be the perfect setup for you! Key Features: - It features an oil catch can with an internal baffle system - Therefore keeping the oil inside the crankcase where it belongs! It achieves this by an O-ring seal instead of a messy silicone or inferior OEM seal - If you are looking for a nice top of the line tappet cover for your current build or replacing a leaking cover, this will be the perfect setup for you - Our Billet Tappet Cover is made with 6061 aircraft grade aluminum and all stainless steel hardware - To insure the highest possible quality! All of our Tappet Covers come in a beautiful CNC Machined finish Compatible with: Billet Tappet Cover w/ Oil Separator, Cummins, Engine & Engine Parts