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WCFab x D&J Precision billet valve covers for 2006–2018 5.9 and 6.7L Cummins are produced from aircraft‑quality 6061‑T6 aluminum and incorporate a baffled breather system. Powder coated in Bengal Grey, the kit includes a WCFab‑engraved cap, D&J billet breather, stainless steel fasteners and a 3/4" breather hose to combine refined styling with functional ventilation.
Wehrli 06-18 Cummins WCFab X D&J Precision Billet Valve Cover - Bengal Grey
