Application2003-2007 Silverado, Sierra, Tahoe, Suburban, and Yukon. DescriptionOur Vortec standalone harnesses are designed for installing these new GM EFI engines into your ride, whatever it may be...

Application2003-2007 Silverado, Sierra, Tahoe, Yukon, and Suburban Equipped with a 4.8, 5.3, or a 6.0. This harness is for Multec injectors that commonly came on NON Flex Fuel Vehicles...

Application2003-2007 Silverado, Sierra, Tahoe, Suburban, and Yukon. DescriptionOur Vortec standalone harnesses are designed for installing these new GM EFI engines into your ride, whatever it may be...

Application2003-2007 Silverado, Sierra, Tahoe, Suburban, and Yukon. DescriptionOur Vortec standalone harnesses are designed for installing these new GM EFI engines into your ride, whatever it may be...

Application2003-2006 Silverado, Sierra, Tahoe, Yukon, and Suburban Equipped with a 4.8, 5.3, or a 6.0. This harness is for EV6 injectors that commonly came on Flex Fuel Vehicles. DescriptionOur...

Application2003-2007 Silverado, Sierra, Tahoe, Suburban, and Yukon. DescriptionOur Vortec standalone harnesses are designed for installing these new GM EFI engines into your ride, whatever it may be...

Application2003-2007 Silverado, Sierra, Tahoe, Suburban, and Yukon. DescriptionOur Vortec standalone harnesses are designed for installing these new GM EFI engines into your ride, whatever it may be...

Application 2003-2006 Silverado, Sierra, Tahoe, Yukon, and Suburban Equipped with a 4.8, 5.3, or a 6.0. This harness is for EV6 injectors that commonly came on Flex Fuel Vehicles. DescriptionOur...

2003-2007 Silverado, Sierra, Tahoe, Suburban, and Yukon. DescriptionOur Vortec standalone harnesses are designed for installing these new GM EFI engines into your ride, whatever it may be. This swap...

Our harnesses are designed for installing these new GM EFI engines into your ride, whatever it may be. This harness is specific for 1999-2007 4.8, 5.3, and 6.0 Vortec engines with RPO Codes LR4, LM7,...

Application1999-2002 Silverado, Sierra, Tahoe, Suburban, and Yukon. 2003-2006 Silverado, Sierra, Tahoe, Suburban, and Yukon (DBC ONLY). DescriptionOur Vortec standalone harnesses are designed for...

Application1999-2002 Silverado, Sierra, Tahoe, Suburban, and Yukon. 2003-2006 Silverado, Sierra, Tahoe, Suburban, and Yukon (DBC ONLY). DescriptionOur Vortec standalone harnesses are designed for...