WCFab x D&J Precision billet valve covers for 2006–2018 5.9 and 6.7 Cummins engines are machined from 6061-T6 aircraft-quality aluminum and include a baffled breather system plus a D&J custom billet breather and stainless hardware. Powder coated in gloss white with a WCFab engraved oil cap, these covers offer a finished appearance and hardened mounting components for Cummins engine bays.
Wehrli 06-18 Cummins WCFab X D&J Precision Billet Valve Cover - Gloss White