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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 piston rings reflect OE‑driven design goals to reduce friction and ring mass while minimizing engine oil consumption. The set is intended to restore proper sealing and long service life using Mahle’s advanced piston‑ring technology without altering engine configuration.
Mahle Rings Ford / Navistar 6.4L Direct Injection Turbo Diesel 2006-2010 Powerstroke Moly Ring Set
