Univeral Aluminum Racing Oil Catch Tank With Vacuum Gauge - Blue Light-Weight Filter Tank Design for Racing Applications. Built-I Fuel Gauage Clear Tubing Makes It Easy To See When Draining Is Needed Increase Horsepower By Removing Oil From PCV Valve To Intake Manifold Ensure Better Mileage, Better Performance and Preserve Engine Lif Prevent Sludge Build Up In Valves & Intake Manifold