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Unlock the full potential of your 2009-2020 HEMI 5
Designed for both performance builds and reliable daily drivers
2011-2016 Powerstroke 6
Manufacturer's Part Number: 55023 | 55025 | 55027
PCM Unlock Options (Required for 2015+):
2001-2016 Duramax 6.6L Callies Durastar Forged Stock Stroke Crankshaft (D333M81-CS) 2003 - 2007 Ford Additives & Oils Unlock the full potential of2001 2016 Duramax 6. 6L Callies Durastar Forged Stock Stroke Crankshaft (D333M81 CS) Callies Durastar crankshafts are designed to be substantially stronger than OEM shafts currently found in GMs popular Duramax diesel. This improvement is the result of substantially stronger steel, considerably deeper nitride layer and unique machining features. Durastar crankshafts are intended to be externally balanced with stock damper and flywheel configurations.