Holley Releases Plug-and-Play EFI Harnesses for Gen III Hemis
These Holley EFI harnesses provide a plug and play solution for the main, injector, ignition coil, and drive-by-wire harnesses needed to fire your Gen III Hemi up with Holley EFI control! The main, ignition coil, and drive-by-wire harnesses are available for either early or late model Hemis. The injector harness is available for either USCAR or Jetronic style fuel injectors. For more information regarding each harness, check out the individual product pages HERE.
Holley Announces updates to HP & Dominator Fuel Pump Lines| 03/16/2015
Holley has added new products to the HP and Dominator fuel pump lines. Hit the jump to see what's new!
NOS Releases Complete Nitrous Plate Kits For 2005-08 Chrysler Hemis| 06/07/2018
It's everything you need for Challengers, Chargers, and 300Cs in one convenient package.
Coffman Takes $10,000 Win Right After Installing RacingHeart's All-New Dragster Headers| 07/19/2018
Racing veteran wins eight-round marathon drag race at Beech Bend in just his second time out.
Interview with Rick Squires from STS Turbo Systems| 07/18/2018
Follow along as Holley's Jeremy Stoermer interviews Rick Squires from STS Turbos. Rick tells us the benefits of rear mounted turbos and answers all the questions regarding turbos, turbo lag, horsepower expectations and models available.