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This Mahle piston ring set is specified for Ford/Navistar 6.4L direct‑injection turbo diesel Powerstroke engines (2006–2010). MAHLE rings are engineered to reduce friction and ring mass, minimize engine oil consumption, and provide extended service life driven by OE requirements. The set restores piston sealing and supports reliable engine operation without altering factory design.
Mahle Rings Ford / Navistar 6.4L Direct Injection Turbo Diesel 2006-2010 Powerstroke Moly Ring Set
