【Fitment】for-Chevy 2007-2009 Avalanche V8 5.3L Flex, 2008-2009 Express 1500 V8 5.3L Flex, 2007-2009 Silverado 1500 V8 5.3L Flex, 2007-2009 Suburban 1500 V8 5.3L Flex, 2007-2009 Tahoe V8 5.3L Flex. for-GMC 2008-2009 Savana 1500 V8 5.3L Flex, 2007-2009 Sierra 1500 V8 5.3L Flex, 2007-2009 Yukon V8 5.3L Flex, 2007-2009 Yukon XL 1500 V8 5.3L Flex 【OE Number】12594512, FJ977, 025623257860, 2172436, 67578 【Specification】Fuel injector material-composite plastic and stainless steel；High-performance sealing O-ring makes the product run more smoothly, pre installed. 【Advantages】Nozzle is precisely designed to ensure uniform fuel injection. It sprays liquid fuel into the cylinder through atomization to achieve efficient and rapid combustion of the fuel, can withstand high temperature and high pressure. 【Efficient】 Our fuel injector adopts an atomized spray design, which not only decrease the wear of the cylinder and piston rings, but also greatly improves fuel economy. 【Performance】Our fuel injector balances fuel delivery, which can improve engine performance, effectively take car shaking off and enhance your driving experience. 【Easy Installation】Our automotive fuel injectors subject to strict quality control to matches all specifications of the original parts, and have undergone extensive experiments, easy installation and save time. 【Consistent Engine Idling】 Fuel injectors ensure a stable and smooth idle by providing a precise and constant fuel supply to the engine. 【Package】: 8 Pack 【Product】: Fuel Injectors 【Reference Number】12594512, FJ977, 025623257860, 2172436, 67578 【Fitments】 for-Chevy 2007-2009 Avalanche V8 5.3L Flex, 2008-2009 Express 1500 V8 5.3L Flex, 2007-2009 Silverado 1500 V8 5.3L Flex, 2007-2009 Suburban 1500 V8 5.3L Flex, 2007-2009 Tahoe V8 5.3L Flex. for-GMC 2008-2009 Savana 1500 V8 5.3L Flex, 2007-2009 Sierra 1500 V8 5.3L Flex, 2007-2009 Yukon V8 5.3L Flex, 2007-2009 Yukon XL 1500 V8 5.3L Flex