Holley EFI Terminator® Throttle Body Harness, Injector Upgrade Harness - (EFI-558-439)

DescriptionTerminator® Stealth Series Harness; 2x4;Service Primary Throttle Body Sub Harness for Terminator Stealth 4150Features & BenefitsTerminator Stealth Series Harness

DescriptionTerminator® Stealth Series Throttle Body Sub Harness; 2x Slave; EFI Upgrade; Plug and Play;Introducing 2x4 Terminator Stealth EFI upgrade components. The wait is over. These upgrade...

DescriptionTerminator® Throttle Body Harness; For Use w/GM LSX w/58x Reluctor Wheel;Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every...

DescriptionTerminator® Throttle Body Harness; For Use w/GM LSX w/24x Reluctor Wheel;Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every...

DescriptionInjector Driver Harness; For Use w/PN[554-143/554-114]; Incl. J2B Connector;The Holley EFI Injector Driver Harness comes pre-terminated with a J2B connector, for plug and play connectivity...

DescriptionEFI Terminator X Wideband Adapter Harness; 4 Inputs; 4 Outputs; Boost Control; Nitrous Control; Advanced Tables;These standalone Terminator X ECU's (Electronic Control Unit) are intended...