WCFab x D&J Precision billet valve covers for 2006–2018 5.9 and 6.7L Cummins are made from aircraft‑quality 6061‑T6 aluminum and include a baffled breather system. Powder coated in Bengal Silver and supplied with a WCFab‑engraved cap, D&J billet breather, stainless steel fasteners and a 3/4" breather hose, these covers upgrade both appearance and ventilation.
Wehrli 06-18 Cummins WCFab X D&J Precision Billet Valve Cover - Bengal Silver