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4L 4" DPF Back Exhaust(421109)
Compatible with Most Diesel Oils: Mixes seamlessly with your preferred high-quality diesel lubricants
longer fuel filter life
9L Hamilton Cams Over Sized Valves (07-h-002)
and a DLC-coated trunnion that minimizes the galling common to OEM trunnions
2003-2007 Powerstroke 6.0L Fluidampr Harmonic Damper w/ Dual Alternators (870211) 2007.5 - 2009 Dodge Tuning & Electronics 4L 4" DPF Back Exhaust(421109)Using only three parts (a laser welded sealed housing, an internal inertia ring, and highly viscous silicone fluid between the two), SFI approved Fluidampr harmonic dampers can control all crankshaft vibration not just a limited frequency range. As a result, you get reduced wear on the main bearings and timing gear, more stable valvetrain operation, and less chance of crank failure.