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The Exergy 550 Alpha Stroker CP3 pump for 2001–2004 Chevrolet Duramax 6.6L LB7 applications replaces the factory CP3 with a higher-flow stroker unit based on LBZ design. Intended to support increased fuel delivery demands in modified Duramax engines, the 550 Alpha unit is suited to systems requiring greater flow capacity. Verify exact model and production year compatibility before purchase to ensure proper installation.
Exergy 01-04 Chevrolet Duramax 6.6L LB7 550 Alpha Stroker CP3 Pump (LBZ Based)
