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The Exergy 550 Alpha Stroker CP3 pump for 2007.5–2010 Chevrolet Duramax 6.6L LMM applications is an upgraded CP3 unit built from LBZ-based architecture. It offers increased fuel delivery capacity for diesel builds requiring enhanced fueling support. Prior to ordering, confirm engine model and fuel-system compatibility to ensure the 550 Alpha stroker pump is the correct replacement for your LMM Duramax setup.
Exergy 07.5-10 Chevrolet Duramax 6.6L LMM 550 Alpha Stroker CP3 Pump (LBZ Based)
