WCFab x D&J Precision Machine Billet Valve Covers for 2006-2018 5.9 & 6.7 Cummins are made from aircraft quality 6061-T6 aluminum and features a baffled breather system. Features a WCFab Engraved Cap and comes powder coated in your choice of color. This includes D&J's custom billet breather, all stainless steel fasteners, and a 3/4 inch hose. Additional Attributes: GTIN: Material: 6061-T6 Billet Aluminum Valve Cover Gasket Included: No Construction: Billet Mounting Hardware Included: Yes Contains Oil Baffles: Yes Finish: Powder Coated Prop 65 Y/N: Y Extended Information: Emissions : EPA Eligible Life Cycle Status: Available To Order Packaging: Quantity of Each: 1 Package UOM: EA Dimension: 32 x 10 x 7 inches Weight: 14 PG