Holley EFI Racers Capture Final Round Appearances In Three Of Four Sweet 16 4.0 Classes
Team Holley Racers Crowd the Podium at Lights Out 12| 03/05/2021
Holley racers converged on Lights Out 12, one of the biggest drag races of the year and delivered some truly impressive on-track performances.
UPDATED - Holley EFI and NOS Announce Sponsorships for Lights Out 11!| 01/27/2020
Holley is pleased to announce their VIP sponsorship of the Duck X Productions Lights Out 11 event this February! The NOS nitrous brand will also be the DXP Street class sponsor. Taking place February 13-16, 2020, this is promised to be one of the wildest drag radial races of the year and an excellent kick-off to the roaring 20's!
Holley's Ultra XP 4150 Is One Trick Small-Bore Race Carburetor| 04/14/2021
Holley's Ultra XP 4150 is more than just a regular four-barrel. It's a very trick carburetor that is designed for the racers and the hardcore gearheads. With well-engineered design details and several features that have been asked for, the Ultra XP is a solid option for your air/fuel delivery needs.
How To Install A Camshaft In An LS Engine| 04/14/2021
It's easy to change camshafts in an LS engine...in fact, in the "How To Build A High-Horsepower LS Engine" recipe book, it's pretty much required. Here's what it takes to complete the task so that you get the benefits of a different camshaft...and that nice, choppy idle too!