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, L59, LM4, LQ4, and LQ9 with a Drive by Cable...

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 installing these new GM EFI engines into your ride,...

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 installing these new GM EFI engines into your ride,...

Application1998-2002 Camaro/Firebird, 1997-2004 Corvette (DBC ONLY), 2004 GTO, 2003-2006 CTSV. DescriptionOur LS1 standalone harnesses are designed for installing these new GM EFI engines into your ride, whatever it may be. This swap harness is specific...

Application1998-2002 Camaro/Firebird, 1997-2004 Corvette (DBC ONLY), 2004 GTO, 2003-2006 CTSV. DescriptionOur LS1 standalone harnesses are designed for installing these new GM EFI engines into your ride, whatever it may be. This swap harness is specific...

1998-2002 Camaro/Firebird, 1997-2004 Corvette (DBC ONLY), 2004 GTO, 2003-2006 CTSV. DescriptionOur LS1 standalone harnesses are designed for installing these new GM EFI engines into your ride, whatever it may be. This swap harness is specific for...

On 2003 and newer applications leave a note with your PCM service number (if your PCM is DBC capable) so we can install green retainers on the harness. Why BP Automotive? Built by BP Automotive at our dedicated harness assembly facility GM...

On 2003 and newer applications leave a note with your PCM service number (if your PCM is DBC capable) so we can install green retainers on the harness. Why BP Automotive? Built by BP Automotive at our dedicated harness assembly facility. GM...

On 2003 and newer applications leave a note with your PCM service number (if your PCM is DBC capable) so we can install green retainers on the harness. Why BP Automotive? Built by BP Automotive at our dedicated harness assembly facility. GM...