Fuel System

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 Screws, 2.5 in Long, Hex Head, Gaskets, Steel, Cadmium, Holley 4150 Carburetors, Set of 8

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

Street/Strip Carbureted Applications Compatible with Gasoline Only The world famous Red®, Blue® and Black® fuel pumps are the most recognized performance pumps of all times. They have been powering racing legends and street enthusiasts alike...

Accurately control your return spring and throttle stop with this device.  4bbl or 2bbl versions available. Includes: Hardware Throttle Bushing Return Springs