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The Exergy 550 Alpha Stroker CP3 pump for 2006–2007 Chevrolet Duramax 6.6L LB7 applications is an upgraded CP3 replacement built to increase fuel delivery for higher-demand Duramax systems. Based on LBZ-derived design elements, the 550 Alpha stroker pump is suited for modified engines that require greater flow capacity. Verify your engine variant and fuel-system compatibility prior to purchase to ensure correct fitment.
Exergy 06-07 Chevrolet Duramax 6.6L LB7 550 Alpha Stroker CP3 Pump
