Holley

We are happy to announce all-new cast aluminum display mounts available for order now to offer a more permanent and vehicle-specific mount for our tuner/displays. These mounts have been specifically engineered for an OEM look and fitment to place ...

We are happy to announce all-new cast aluminum display mounts available for order now to offer a more permanent and vehicle-specific mount for our tuner/displays. These mounts have been specifically engineered for an OEM look and fitment to place ...

We are happy to announce all-new cast aluminum display mounts available for order now to offer a more permanent and vehicle-specific mount for our tuner/displays. These mounts have been specifically engineered for an OEM look and fitment to place ...

Getting a high powered drag car to hook is the key to low elapsed times and win lights. Whether small tire radial car or a full out Pro-Mod, all racecars will benefit from Holley's new Time-Based Traction Management feature. Designed exclusively f...

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...

The Holley LS1/2/6 Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads. These intake manifold and rail kits will work with OE (Original Equipment) or aftermarket cylind...

The Holley LS1/2/6 Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads. These intake manifold and rail kits will work with OE (Original Equipment) or aftermarket cylind...

Do you need precision control over your ignition system? Would your combination benefit from Individual Cylinder Timing Control? Are you experiencing spark issues with your Stock Coils? Are you wanting to convert your Turbocharged Big Block Monstr...

Holley's BILLET LS Throttle Bodies are the BIGGEST BORE - MOST FEATURE LOADED available. Holley went back to the drawing board and built the ultimate air valve for your LS engine! This all new design boasts a huge 105 millimeter bore for when WOT ...

Holley's BILLET LS Throttle Bodies are the BIGGEST BORE - MOST FEATURE LOADED available. Holley went back to the drawing board and built the ultimate air valve for your LS engine! This all new design boasts a huge 105 millimeter bore for when WOT ...

These machined billet 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 air...

These machined billet 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 air...

Holley's BILLET LS Throttle Bodies are the MOST FEATURE LOADED available. Holley went back to the drawing board and built the ultimate air valve for your LS engine! The 112-589 throttle body features a 90 millimeter bore and a low RPM drive friend...

Holley's BILLET LS Throttle Bodies are the BIGGEST BORE (in the 90 to 95mm category) - MOST FEATURE LOADED available. Holley went back to the drawing board and built the ultimate air valve for your LS engine! This all new design boasts a 95 millim...

The P/N 300-630 & 300-630BK Lo-Ram 105 mm billet throttle body adapters are designed as part of the Holley LS front-feed Lo-Ram EFI intake manifold kits. It is commonly known billet is the best. The strength and rigidity of these components i...

Dress up and open up your ZL1, CTS-V, or ZR-1 with Holley Hi-Flow Fuel rails. The bright dip, black anodized rails come with laser etched EFI logo for long-lasting good looks and are a direct replacement for the rails on the factory blower or any...

Our fuel rail kit allows dual -8AN feeds to keep up with fueling demands with fuels like E85, E98, M1, and the like.This kit will also allow you to run both rails to a single high-flow fuel pressure regulator for complete control over your fuel sy...

Our fuel rail kit allows dual -8AN feeds to keep up with fueling demands with fuels like E85, E98, M1, and the like.This kit will also allow you to run both rails to a single high-flow fuel pressure regulator for complete control over your fuel sy...

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...

Edge Products flat biller all black snapback hat. Adjustable size.Features: Flat Bill Adjustable size 3D Puff embroidery Great fit for all day comfort Specs: Brand: Edge Category: Household, Shop and Office Products Color: Black Emission Code:...

Replacement Wideband Oxygen Sensor for Commander 950 wideband controller kits.Features: Replacement/Service part Commander 950 Bosch Black connector color Specs: Band Type: Wide Brand: Holley EFI Category: Air and Fuel Delivery Connector Gende...

This electromagnetic valve meters fuel into the intake manifold proportional to the air being induced into the engine. When the valve is energized, the electromagnetic force generated by the solenoid lifts the pintle/ball from the seat. Fuel under...

Required when upgrading to (EV1/Bosch style) performance injectors on OE truck manifoldsSpecs: Brand: Holley EFI Category: Air and Fuel Delivery Color: Black Emission Code: 5 Grade Type: Performance Material: Steel Part Type: Fuel Injector ...

"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 ...