Holley Unveils 4-Bolt Throttle Body Nitrous Plate Kits For GM LS Engines| 03/24/2017
Available for 4-bolt, drive-by-wire, and cable-operated throttle bodies
August Racer Updates| 08/11/2015
Click the link to see how some of Holley's sponsored racers have faired over the past month!
May Racer Updates| 06/03/2015
The month of May brought a lot of success to many drivers sponsored by the Holley family of brands. Hit the link to see what they've accomplished in the past month.
Bakchis Wins Formula Drift Round 2-Now Points Leader| 05/20/2015
Aurimas 'Odi' Bakchis is the current points leader in the Formula Drift Pro Series after a first place victory at Road Atlanta May 10th, 2015. After a solid 5th place qualifying run, Odi steadily progressed through each round of tandem competition, and emerged the victor.
NOS Pro-Big Shot Solenoid and -AN Combination Wrench| 09/30/2014
Holley is proud to annouce the release o...
Three New Dry Pro Race Fogger NOS Kits for Fuel Injected Applications!| 01/31/2014
NOS research and development continually...
Dry vs. Wet – Nitrous Oxide Installation| 02/10/2013
Is a dry NOS system better than a wet NOS system? Holley explains how each system works when injected into an engine to make more horsepower. The four main methods of introducing NOS to you engine are, a single dry fogger, a single wet fogger, direct port foggers, and wet plate systems.
Introduction to NOS| 02/10/2013
How nitrous oxide injection makes more horsepower.
NOS Launcher| 01/31/2013
We show you how to install the NOS Launcher and show you how it works.
NOS Installation and Tuning Videos| 01/09/2013
Holley is pleased to announce a full lis...