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7L Fire Ring Gasket
The Dirty EGR Solution Package is the most comprehensive upgrade for the 2017–2019 L5P Duramax
Callies Durastar crankshafts are designed to be substantially stronger than OEM shafts currently found in GM’s popular Duramax diesel
2019-2024 Ram 2500
2006-2010 Duramax Fluidampr Harmonic Damper (830111) 1988 7L Fire Ring GasketUsing 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.
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