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The Exergy XRG 400% over injector set provides 400% increased fuel flow for 2006–2007 Chevrolet Duramax 6.6L LBZ applications. Offered as a set of eight new injectors with internal modification, these extreme-capacity units suit heavily modified diesel setups that require very large fuel delivery while maintaining factory-style fitment and installation for LBZ engines.
Exergy 06-07 Chevrolet Duramax 6.6L LBZ New 400% Over Injector w/Internal Modification - Set of 8
