Fit for:for Chevrolet Tahoe 5.3 2002-2007, for Chevrolet Silverado 1500 5.3 2002-2007, for Chevrolet Suburban 1500 5.3 2002-2006, for Chevrolet Avalanche 1500 5.3 2005-2006, for Chevrolet Express 1500 5.3 2007 , for Chevrolet Silverado 1500 Classic 5.3 2007 , for GMC Yukon 5.3 2002-2006, for GMC Yukon XL 1500 5.3 2002-2006 , for GMC Sierra 1500 5.3 2002-2007 , for GMC Savana 1500 5.3 2007
Product Highlights:High-efficient fuel sprays and High Impedance Coils enable fast start-up in cold environments, low fuel consumption, and better performance.
Material:Durable effective rubber O-Ring that can seal fuel vapors in and keep them from leaking
How to use:Professional installation is highly recommended: Fuel injectors directly affect the air/fuel ratio for the engine and new fuel injectors do require a new or updated tune. We also suggest that you check the other component of the engine before installation.