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!
Holley Releases NOS Complete Mopar Nitrous Plate Systems| 02/12/2018
They support up to 250 rear wheel horsepower for 2005-2016 Dodge Challengers, Dodge Chargers, and Chrysler 300Cs.
Holley EFI-Sponsored Southern Rock Racing Series Event Set For Apr. 27-28| 04/26/2018
Racers will compete in two categories - Rock Bouncer and UTV
Cleetus McFarland's "Leroy" to Compete at LS Fest West| 04/26/2018
The one-of-a-kind machine will compete on the drag strip, autocross track, and 3S Challenge course.