Fit Model year 2004.5-2010 For use in LLY, LBZ and LMM applications. NOT for use in LB7 applications. The DT660023 kit can be used in place of GM kits 97328733 and 98062291. The GM kits are specific to either the right or left side of the engine while the DT660023 kit can be used with the injectors on either side.
