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The Exergy XRG 45% over injector set is a new direct-fit injector kit calibrated at 45% over stock flow for Duramax LLY 6.6L engines. Supplied as a set of eight for 2004.5–2005 Chevrolet Duramax 6.6L LLY applications, these injectors offer increased fueling capacity while retaining OEM-style installation. Proper tuning is recommended after installation to match the higher flow.
Exergy 04.5-05 Chevrolet Duramax 6.6L LLY New 45% Over Injector - Set of 8
