Holley Brand Harnesses
Genuine Holley® brand harnesses for Holley EFI systems.
Holley Brand Harnesses
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Holley EFI Terminator X Max Transmission Kit - GM 6L80/90 -
Holley® GM 4L60/80E Transmission Harness -
Holley® Injector Harness - Early Truck -
Holley® LSX Injector Harness - for EV6 Style Injectors -
Holley® EV1 V8 Over Manifold, Bosch Style Injector Harness -
Holley® LS2/3/7+ (58X/4X) Engine Main Harness -
Holley® LS1/6 (24X/1X) Engine Main Harness -
Holley® Main Power Harness for HP, Dominator, Terminator X, Terminator X Max ECUs
Some filters could not be applied and were reset.
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Sale Holley EFI Terminator X Max Transmission Kit - GM 6L80/90 $554.95 Regular price $694.95 -
Sale Holley® GM 4L60/80E Transmission Harness $286.95 Regular price $358.95 -
Sale Holley® Injector Harness - Early Truck $261.95 Regular price $328.95 -
Sale Holley® LSX Injector Harness - for EV6 Style Injectors $170.95 Regular price $213.95 -
Sale Holley® EV1 V8 Over Manifold, Bosch Style Injector Harness $190.95 Regular price $239.95 -
Sale Holley® LS2/3/7+ (58X/4X) Engine Main Harness $607.95 Regular price $760.95 -
Sale Holley® LS1/6 (24X/1X) Engine Main Harness $607.95 Regular price $760.95 -
Sale Holley® Main Power Harness for HP, Dominator, Terminator X, Terminator X Max ECUs $99.85 Regular price $124.95
