Holley EFI

Gen III HEMI Harness with TPS and Idle Air Control Connections. This wiring harness interfaces a Holley EFI ECU to a Gen III HEMI engine with an aftermarket cable actuated throttle body. It is meant to be used in conjunction with an injector harness, a...

AN-8 6061-T6 aluminum hi-flow fuel rail extrusion for the fabrication of custom fuel injection systems. The 5/8" diameter fuel passage provides the flow capacity for high horsepower applications and the volume to dampen fuel pressure oscillations. The...

EFI fuel rails are machined for –8AN O-ring Fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system.FeaturesMade of UV-resistant ABS composite for durabilityAvailable in black, brushed...

Terminator Throttle BracketFeaturesTerminator X Stealth 4150 Kits for either 24x or 58x LS enginesSupports up to 650HP with Four 100lb./hr. InjectorsTerminator X Max kits provide plug and play Transmission control for GM TransmissionsInternal 1bar MAP...

Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley...

Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley...

FeaturesBosch/EV1 style performance injector - IndividualLow impedance (2.2 Ohms) for use with peak and hold driversRated injector flow: 120 lb/hr @ 43 PSITri-cone spray pattern

105mm Ford 5.0L Throttle Body GasketFeaturesPlug and play compatibility with all Terminator, HP, and Dominator ECU’s (w/ module P/N 554-130)No programming necessary; eliminates the need to install duplicate sending unitsCompatible with all Holley EFI...

Holley LS Hi-Ram Fuel Rail Adapter Kit is designed for use with the Holley Hi-Ram line of LS intake manifolds. The adapter kit is designed to allow for proper mounting of the fuel rail when using a short LS3/LS7 style injector versus the taller LS1 style...

Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley...

HP Multi-Port EFI systems for small or big block Chevys are ready for the street or strip with the simple swap of an intake! Whether you have a stock engine, crate or custom-built engine, HP Multi-Port systems can help you maximize performance! By...

Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley EFI powered...