Holley Performance

Upgrading to an MSD Flying Magnet Crank Trigger Kit will deliver the precise and reliable signal that a high performance engine requires. This kit gives you the ability to control timing electronically through a Holley EFI ECU (or other standalone...

Take your forced induction ride to the next level with a Holley water/meth injection system! Integrated into the Holley HP and Dominator EFI Systems is the capability to control water/methanol injection, allowing you to safely run on lower octane ...

EFI fuel rails are machined for -8AN O-ring Fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system.Specs: Application: Ford 351W Brand: Holley EFI Category: Air and Fuel Delivery Co...

"Big Wire" Sub Harness- pre wired with 12ga power and grounds, for optimal performance!Features:“Big Wire” Sub Harness- Pre wired with 12ga Power and Grounds, for optimal performance!Specs: Brand: Holley EFI Category: Ignition Emission Code: 4 ...

HP Smart Coil ignition sub-harness. Includes a pair of coil harnesses for an 8 cylinder engine. These harnesses are similar in design to factory GM LSx coil harnesses, but plug into Holley HP Smart Coils. They plug into Holley LSx plug and play ma...

Fits Holley Hi-Ram ManifoldsFeatures: Modular Design w/ Removable Top A-B Height: 12.10” (w/ Carb Style Top - 2 x 4150 or 2 x 4500) – See Drawing Height at Plenum Flange: 9.44” O-Ring Seals for Plenum Top Specs: Brand: Holley EFI Category: Air a...

Fits Holley Hi-Ram Manifolds.They are available in the dual 4150 throttle body pattern or in a full blank top so that you can design your our system. The plenum tops are constructed of cast aluminum.Features: Modular Design w/ Removable Top A-B He...

Expanding on our Transmission Control options from Holley EFI. This new harness 558-455 from Holley EFI provides plug and play transmission control for the 2009+ GM 4L60 when used with a Dominator ECU. The 2009+ GM 4L60E contains an internal turbi...

GM GEN V LTx DBW Harness. Compatible with GM part number 12617792 (L83), and 12678223 (L86, LT1, LT4).Specs: Brand: Holley EFI Category: Electrical, Lighting and Body Emission Code: 4 Harness Application: GM, LT Harness Type: Drive-By-Wire ...

This wiring kit is intended to fully populate all of the inputs and outputs for part numbers 553-111 and 553-112 Pro Dashes. These can easily be inserted into the existing 34 pin dash connector. It contains loose wires and 2 and 3 conductor cable ...

Dash bezels that are designed to work with the Holley EFI dashes. The bezels are made from a 5/32" thick UV-resistant ABS composite material. Structurally, these bezels are are as strong, or stronger than the OEM panels. The bezels come in a matte...

Dash bezels that are designed to work with the Holley EFI dashes. The bezels are made from a 5/32" thick UV-resistant ABS composite material. Structurally, these bezels are are as strong, or stronger than the OEM panels. The bezels come in a matte...

Dash bezels that are designed to work with the Holley dashes. The bezels are made from a 5/32" thick UV-resistant ABS composite material. Structurally, these bezels are are as strong, or stronger than the OEM panels. The bezels come in a matte bla...

Dash bezels that are designed to work with the Racepak dashes. The bezels are made from a 5/32" thick UV-resistant ABS composite material. Structurally, these bezels are are as strong, or stronger than the OEM panels. The bezels come in a matte bl...

Drive-By-Wire harness for 2011-2017 Ford Coyote (5.0L) enginesFeatures: 2011-2017 Ford Coyote (5.0L) engines (3) connectors Designed to be used with Ford Throttle Body P/N's - BR3Z-9E926-C, BR3E-9F991-AB, and FR3E-9F991-AA Designed to be used with...

This cast EFI intake elbow allows the use of GM LS throttle bodies on any intake manifold w/ the 4150 mounting flange. Slotted mounting holes & dual throttle cable mounting bracket bosses allow the elbow & throttle body to be mounted forw...

The Holley Dominator and Terminator X Max ECU’s have built-in capability to control the Drive-By-Wire throttle pedals and throttle bodies used on most 2018-2022 Ford Coyote and 2020-2022 Ford Godzilla applications. To ensure a safe and reliable in...

Sniper's fabricated aluminum valve covers gives you an excellent way to add a high-end fabricated look without the high-end price. They offer you a lightweight and tough valve cover for your favorite street, off-road, or racing machine. These valv...

3.5" LCD touch screen handheld controller gives you access to a wide range of tuning options. Additionally, this display can be used as a fully customizable data monitor. With this 3.5" display, your Sniper EFI system vitals can be viewed at a qui...

MULTEC 2 INJECTOR HARNESS - EARLY TRUCKSpecs: Brand: Holley EFI Category: Air and Fuel Delivery Emission Code: 4 Harness Application: Universal Harness Type: Injector Part Type: Fuel Injection Harness Product Type: LS Multec Style Injector ...

Our new Classic jackets, pants, and suits have been updated to have a modern look while not losing the heritage of our classic three strips. The Classic line is SFI -5 certified and made from our very popular, durable, and race-proven satin/twill ...

ROT CL-X,FM,2X2,W/PAD,BLKSpecs: Brand: Simpson Racing Category: Body Color: Black Emission Code: 6 Part Type: Bumper Protection Pad Product Type: Harnesses Sub Category: Bumper

The Simpson Lever Camlock/Clip system is redesigned to be 15% lighter. A unique internal release mechanism is engineered to eject belts clips quickly. Our belts clips are interchangeable with rotary camlock.Features: SFI 16.1 certified Sleek m...

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...