Sale and Clearance

Holley's new 1000 CFM throttle body shares the same air entry area design that powers every NASCAR Sprint Cup Series™ car. The throttle body features integrated throttle position, idle air control, and intake air temperature sensors. Ford and GM t...

This Universal 4 Cylinder EV14 Injector Harness is designed to be plug and play with HP EFI & Dominator EFI Systems, utilizing our 205 LB/HR Injector Set - Part Number 522-205.Specs: Brand: Holley EFI Category: Air and Fuel Delivery Emissio...

Transmission Cable Bracket For TH-700R4 TransmissionFeatures: Overdrive transmission cable bracket Used on TH-700R4 transmissions Holley MPFI 4 bbl throttle bodies Bronze color Specs: Adjustable: No Brand: Holley EFI Category: Air and Fuel Deli...

This device allows for an ECU input to be safely connected directly to the +12V side of the transbrake solenoid. It protects the ECU input from damaging flyback voltage which occurs when the transbrake is released. Not using this device will cause...

Computer Data Cable for All Digital Interactive Pro-Jection SystemsFeatures:DB9 ConnectorSpecs: Brand: Holley EFI Category: Air and Fuel Delivery Connector Quantity: 2 Emission Code: 5 Grade Type: Performance Product Type: EFI Part Tech Reso...

Intake mounting gasket sealing kit for use with throttle body part number 112-578.Specs: Bolt Hole Quantity: 4 Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 5 Grade Type: Performance Part Type: Carburetor Mounting Gasket ...

Intake mounting gasket sealing kit for use with throttle body part number 112-577.Specs: Bolt Hole Quantity: 4 Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 5 Grade Type: Performance Part Type: Carburetor Mounting Gasket ...

For use with a 2019-2022 GT500 or 2015-2020 GT350 DBW throttle bodySpecs: Brand: Holley EFI Category: Air and Fuel Delivery Color: Silver Emission Code: 3 Engine: Ford Coyote Finish: Silver Gasket Or Seal Included: Yes Grade Type: Performa...

Injector upgrade harness for Terminator Throttle Body Systems. This harness is designed to be plug and play with our 205 lb/hr injector upgrade kit, Part Number 522-205.Specs: Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 4 ...

Service Primary Throttle Body Sub Harness for Terminator Stealth 4150Features:Plug and play service harness for Primary Terminator Stealth Throttle BodySpecs: Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 3 Part Type: Electr...

Spring and bracket kit needed when using a Ford automatic transmission with a Terminator EFI kit.Features: For Ford automatic transmissions Terminator accessory Included spring, bracket, and hardware Silver color Specs: Brand: Holley EFI Categor...

PN 558-420 contains 5 extra input/output wires that the base Terminator EFI harness does not contain. It contains Input wires for Inputs 1-4. It contains one wire for Output 2. These inputs and outputs can perform features and functions that must ...

Replacement Air Temperature Sensor for Terminator EFI.Specs: Brand: Holley EFI Category: Engine Connector Gender: Female Emission Code: 5 Grade Type: Performance Housing Color: Black Mounting Hardware Included: No Mounting Type: Push-in P...

This CNC machined billet spacer allows for the installation of 8 additional injectors, ideal for additional fueling in high horsepower blown environments. It is also perfect for those seeking to chill their supercharged fuel injected combinations....

7' long sealed USB data cable. This cable is included with the purchase of an HP or Dominator ECU.Specs: Brand: Holley EFI Category: Vehicles, Equipment, Tools, and Supplies Color: Black Emission Code: 5 Grade Type: Performance Harness Type:...

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 ...

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 H...

The Holley GM LS7 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high flow...

Replacement/Service secondary throttle body with injectors, intended to be used as a service component or when building a custom 4150 style 2x4 setup.Features: Bolt on 2x4 4150 Flange Carburetor Replacement Supports up to 1500 HP naturally aspirat...

The Terminator X Stealth 4500 2x4 EFI systems from Holley features 8, 100LB/HR Fuel Injectors capable of supporting up to 1500 HP naturally aspirated or 1250 HP on forced induction applications. The Terminator X ECU is capable of fuel map self-lea...

Take control of your GM Gen V LT4, LT1, L83, or L86 engine with Terminator X! Do not settle for a factory ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-...

M8 Service Harness for 6.86" and 12.3" M8 Pro Dash products.Features: Replacement/service harness Designed for Pro Dash Uses M8 connectors (1) connector Specs: Brand: Holley EFI Category: Air and Fuel Delivery Category: Body Connector Color: B...

Introducing the next generation of Holley EFI Dual Sync Distributors, the new design features an improved shutter wheel, high-quality dual Hall Effect sensors, and an MSD cap and rotor!While these distributors are designed to be used primarily in ...

Fuel Rail Kit, LS1 for Dual-Quad and cathedral port Hi-RamSpecs: Brand: Holley EFI Category: Air and Fuel Delivery Color: Black Emission Code: 4 Fittings Included: No Fuel Injection Type: Port Fuel Injectors Included: No Fuel System Type: ...