Fuel System

Two Accelerator Pump Discharge Nozzles. Hole Size Straight Type Includes 4 Gaskets and 2 Nozzle Screws Genuine Holley Quality Parts

Introducing the Holley EFI 8 Channel CANBus EGT Kit. Exhaust Gas Temperature data is critical information when your engine tune up is on the ragged edge. Knowing the exhaust temperature of each cylinder can help you identify potential horsepower left on...

Holley's EFI Crank Trigger Kit is engineered to provide an accurate crank speed & position signal to Holley EFI systems in the most-demanding, high horsepower, racing applications. Crank position is measured every 10 degrees as opposed to every 45...

The Terminator X Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600 HP on forced induction applications. The Terminator X ECU is capable of fuel map self-learning and...

Fuel Bowl Sight Plug & Gasket Kit Standard Replacment Two Gaskets Fits All Holley Carburetors Two Brass Sight Plugs

These metering orifices control fuel flow into the metering system. They are rated in flow capacity "cubic centimeters per minute" and are changeable for tuning purposes. The shape of the entry, exit, and size determines flow. All Holley Main jets are...

Single-Stage Power Valve High Flow  Includes Gasket

An improved jet extension design that actually screws into the metering block. The main metering jet then threads into the end of the extension. The installation effectively moves the fuel entry point for the main jet out into the fuel bowl. In this...

Street/Strip Carbureted Applications Fits Small Block Chevy V8s Compatible with Gasoline Holley mechanical fuel pumps range from 80 GPH to 225 GPH in many various applications to meet the fuel demands of most engines. Whether you are looking for a street...

Fuel Bowl Gasket Fits Holley Model 2300™, Model 4150™, Model 4160™ and Model 4500™ Two Circuit Carburetors Blue Non-Stick 2 Per Package

Fits Holley Models 2300™, Model 4150™, Model 4160™ and Model 4500™ without Intermediate Circuit 2 Pack

Single-Stage Power Valve Standard Flow Includes Gasket