Want to wire your Holley EFI system yourself? Do it right with a pro level wiring harness kit from HCR Innovations. We’ve put together all the parts and tools you need to build your own harness with the best parts available. We also sell Assembled Custom Built Harnesses for those that need one ready to go.
HCR DIY Kits & Custom EFI Wiring Harnesses - HCR Innovations
HCR custom Holley EFI wiring harness
Black 2023 HCR Innovations T-Shirts with HCR Oval Logo on the front, and the HCR Innovations Oval Logo with Cool Wiring Diagram Print w/HCR Logo on
2023 HCR Innovations Wiring Diagram T-Shirt
HCR Innovations - Motorsports Wiring & Tuning Solutions
Auto Parts Prodigy Universal Wiring Harness Kit 21 Circuit Long Wires Standard for Chevy Mopar Hotrods Ratrods Ford Chrysler Universal Automotive Wiring : Automotive
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Auto Parts Prodigy Universal Wiring Harness Kit 21 Circuit Long Wires Standard for Chevy Mopar Hotrods Ratrods Ford Chrysler Universal Automotive Wiring : Automotive
HCR Innovations
Making wiring your race or street car a little easier
Wire Harness Kits