All Products

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...

Protect your fuel system before failure happens. The BB Disaster Prevention Kit is designed to provide added protection for 2011–2025 Ford Super Duty 6.7L Power Stroke trucks equipped with the CP4 injection pump. By filtering return fuel and captu...

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 ...

Specifically designed for use w/ JESEL and similar external, dry timing-belt, cam drive systems. Includes 3 wire hall-effect sensor (8-20 volts), anodized billet aluminum bracket, mounting hardware, mating connector, and stainless steel 1/4"-20 "f...

Specifically designed for use w/ JESEL and similar external, dry timing-belt, cam drive systems. Includes 3 wire hall-effect sensor (8-20 volts), anodized billet aluminum bracket, mounting hardware, mating connector, and stainless steel 1/4"-20 "f...

A cam sync signal is required to run sequential fuel injection. This tells the ECU which cylinder is cylinder #1 (or the first cylinder in the firing order as entered in the software).These kits were specifically designed to provide a "plug-&-...

Specifically designed for use w/ JESEL and similar external, dry timing-belt, cam drive systems. Includes 3 wire hall-effect sensor (8-20 volts), anodized billet aluminum bracket, mounting hardware, mating connector, and stainless steel 1/4"-20 "f...

Simpson Racing harnesses are built for the fearless right here in New Braunfels, Texas. Featuring CAMFX snap-in attachments, lightweight 2" belt webbing, and all-black hardware, the Simpson CAMFX harnesses are comfortable and easy to use. The 2" s...