Venturi style design eliminates the need for restrictive baffles, streamline routing with no angles, provides better pressure flow and no oil dripping. Decreasing oil deposits in the engine, eliminate unwanted crankcase pressure and effectively eliminate any power robbing crankcase pressure. Clean up your engine bay for more room for modifications, ensure oil free residual air to ensure optimal combustion efficiency. Eliminates the need for the crankcase box on the top of the engine, and frees up room for more activities under the hood. Made of high strength ABS and metal material, designed with black anodized components for better durability, and contains all the accessories you need. Fit: 2011-2023 6.7L Powerstroke F-50 F350 F450 F550 Diesel (Include Cab & Chassis). Instruction Manual page: Click This