The oil system in your engine is crucial to the trucks performance and life. Keeping your oil clean is what it all comes down to and this 6.7L Cummins Oil Bypass Kit from Sinister Diesel is designed to do that better than your factory oil system. The Sinister Diesel 6.7L Cummins Oil Bypass Kit combines the best available oil filter element on the market with our specially designed parts to remove more contaminants from your oil than any other filter on the market, providing you with the peace of mind that your engine is protected. Features Construction - Steel and Billet Aluminum, Product Design - Fully CNC Machined, Performance Notes - Improved oil filtrationIncludes(1) Amsoil 2 Micron Oil Filter, (1) Sinister Oil Cap, (1) Sinister Diesel Filter Block, Braided Stainless Lines, Mounting Bracket, Installation HardwareNote Will NOT work with Dual Alternators, Note Will NOT work with Dual Radiators., FAQ's Q What kind of finish is on this part, A This product is finished in Sinister Blue for a clean and stylish appearance., Q Can I use Extended Life Oil Filters with this product , A No, they are not compatible. You must use an OEM style filter.