Search for “EFI”

These cast aluminum EFI intake elbows allow the use of GM LS throttle bodies on any intake manifold w/ the 4500 mounting flange. Our design incorporates an optimized transition from the throttle body to the intake plenum for maximum airflow and di...

Sniper EFI Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity with no discernible "bounce" at low pulse widths as commonly found in other injectors....

Holley's Sniper Stealth 4150 Master Kit gives you carburetor styling but functions just like the Sniper! A 4150 stealth is a great way to upgrade your ride to fuel injection in a cost-efficient way with just 4 simple connections required. Take you...

Do you need to upgrade your ignition system due to a recent Sniper EFI installation, but have no idea which option is best?Introducing HyperSpark Ignition, from Sniper EFI. The complete system consists of a CD Ignition Box, Billet distributor with...

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 ...

This in-tank fuel pump module is a high-pressure unit that flows 350 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 750 horsepower. Featuring a pre-calibrated fuel-level sending unit desi...

The new Sniper 340 LPH E85 fuel pump is a high output, in tank electric fuel pump that fits the most popular EFI applications. The pump can be regulated to support carbureted systems as well. All four models of the pump are compatible with gasolin...

Terminator X Max and Dominator EFI GM DBW Harness-Early Truck. Compatible with GM part number 10379038.Specs: Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 4 Harness Application: GM, LSX Harness Type: Drive-By-Wire Part Ty...

Do you need to upgrade your ignition system due to a recent Sniper EFI installation, but have no idea which option is best?Introducing HyperSpark Ignition, from Sniper EFI. The complete system consists of a CD Ignition Box, Billet distributor with...

Do you need to upgrade your ignition system due to a recent Sniper EFI installation, but have no idea which option is best?Introducing HyperSpark Ignition, from Sniper EFI. The complete system consists of a CD Ignition Box, Billet distributor with...

Main harness for 99-04 2 & 4 Valve Ford Modular (4.6 & 5.4L) Engines.Specs: Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 4 Harness Application: Ford Harness Type: Main Part Type: Fuel Injection Harness Product Ty...

Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is your weekend road race warrior powered by a coyote junkyard engine with locked cams? Unlock the full pot...

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 ...

This harness is for fuel injected small block ford engines such as 5.0L or 5.8L Windsor powerplants. Plug and play ignition capability with Dual Sync and HyperSpark Distributors. The 5.0L Ford main harness is pre-terminated with Ford PWM IAC conne...

Holley EFI fuel filters with built-in regulator provide a simple and clean means to fueling your LS swap. Available with OEM-style or -6AN connections, they feature an internal regulator set at 58 psi, along with an integrated 5 nominal micron rat...

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...