Holley EFI

Service Secondary Throttle Body with Injectors. Intended to be used as a service component or when building a custom 4150 style 2x4 setup.FeaturesMade from a 5/32” thick UV-resistant ABS composite materialBezels are as strong, or stronger than the OEM...

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...

Holley Die Cast EFI Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. The included 12-882 regulator features a die cast aluminum body and a chrome top for corrosion resistance and good looks. The...

Dash bezels that are designed to work with the Holley EFI dashes. The bezels are made from a 5/32" thick UV-resistant ABS composite material. Structurally, these bezels are are as strong, or stronger than the OEM panels. The bezels come in a matte black...

Does your engine seem like it's out of breath? You can increase engine breathing with a Holley high-air-flow throttle body! Fully CNC machined from 6061 billet aluminum, these new Holley throttle bodies are designed to use the stock TPS and IAC to...

Service replacement digital dash harness. Features8mm Plug Wire Size Offers low 350 Ohms per foot resistance while maintaining very high noise suppression Available in three colors (Red ,Black, and Grey)36" long unterminated wires to allow for custom...

Does your engine seem like it's out of breath? You can increase engine breathing with a Holley high-air-flow throttle body! Fully CNC machined from 6061 billet aluminum, these new Holley throttle bodies are designed to use the stock TPS and IAC to...

Service Secondary Throttle Body with Injectors. Intended to be used as a service component or when building a custom 4150 style 2x4 setup.FeaturesMade from a 5/32” thick UV-resistant ABS composite materialBezels are as strong, or stronger than the OEM...

The eight channel coil driver module is a "dumb coil" driver module that plugs into the main harness, which is needed when running the factory coils. Contains two 4-channel drivers, requires on an eight cylinder engine.FeaturesDesigned for GM LS Gen III...

The Holley EFI Digital Dash is completely customizable with a variety of gauge and indicator screens that can be programmed to display any parameter you need. The dash also offers a virtual switch panel, user-defined alarms, configurable shift lights,...

Small Block Chevy Multi-Port Power Pack kit for Early/Late heads includes: Holley EFI single plane intake (2000-6500 RPM Power Band) and 1000 CFM Throttle Body New Holley Small Block Chevy Multi-Port Power Pack kits are partially assembled and do...

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...