FUEL SYSTEM COMPONENTS

Holley EFI Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excell...

HI-RAM 105MM Cast aluminum Side Mount Plenum Top for EFI Hi-Ram Manifolds Holley now has cast aluminum plenum top options for those of us with lim...

Holley's latest Hydramat design has an 11mm outlet that connects to the TI 450LPH and other pumps that use the same attachment design. The outlet h...

The new Hi-Flow billet fuel rails are a direct fit for all late model, 2011 and newer naturally aspirated Coyote engines (5.0 and 5.2) including Co...

An Injector Harness is required and Holley offers two. The harness with USCAR/Stock injector connectors will cover most applications that are using...

An Injector Harness is required and Holley offers two. The harness with USCAR/Stock injector connectors will cover most applications that are using...

Replacement emulsion jets for infinite tunability of the metering systems on the Ultra XP carburetors and the 0-80787-1 350CFM 2bbl. Click on Cata...

Power Valve Gasket

Plugs and fittings kit for SBC cooling manifold used in 20-240 and 20-240BK mid-mount accessory drive systems for Small Block Chevy engines.

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 ...

Holley fuel pressure regulators are designed to precisely control the fuel pressure from the fuel pump to the carburetor. Too much fuel pressure fo...

Fuel pulse dampers act in tandem with the fuel pressure regulator to further control the fuel pressure in an EFI system. They act to smooth out the...

These metering orifices control fuel flow into the metering system. They are rated in flow capacity "cubic centimeters per minute" and are changeab...

These metering orifices control fuel flow into the metering system. They are rated in flow capacity "cubic centimeters per minute" and are changeab...

These metering orifices control fuel flow into the metering system. They are rated in flow capacity "cubic centimeters per minute" and are changeab...

Throttle Stud 7/32" diameter

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 connecto...

Holley's Mid-Mount accessory drives are now available for your big block Chevrolet engines! The revolutionary system does what no other accessory b...

Holley's Mid-Mount accessory drives are now available for your small block Chevrolet engines. The revolutionary system does what no other accessory...

Xtreme Performance - Holley Ultra XPª carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs, have fuel capacity that i...

Holley Sniper EFI Fabricated Manifolds continue to push the aftermarket by introducing our latest Race Series line of intakes for GM LS3/L92 engine...

Add even more power to your Gen III Hemi engine with a Holley Hi-Ram intake manifold. This cast intake manifold has large intake ports - fits 2009...

The Holley GM LS1/LS2/LS6 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performan...

The Holley GM LS1/LS2/LS6 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performan...