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HCR Innovations Blog

HCR Innovations Main Engine Harness

New HCR Main Engine Harness for Holley!

Now available for Pre-Order! Check out our new Plug and Play Holley Efi harness kit, These are now available for sale as a Pre-Order! HCR Innovations will be stocking these harnesses and they will be available through our Dealer Network as well. If you do a bunch of Holley EFI installs and are interested in an […]

What NOT to do with Holley EFI

In this video I go over some things not to do when it comes to installing and wiring up your Holley EFI. This video is not intended to put down any installers or shops, but more to help avoid potential problems and have a more successful installation.