Holley
H4 PIN OUT ADAPTER
SKU: H00E H820
Description
Part #: H820
If you dont feel comfortable cutting up your factory wiring or dont want to attempt to swap pins on your headlight plugs, Holley RetroBright adapters make it a plug-and-play affair. If the standard H4 male plug used on Holley RetroBright Headlights will not fit your female socket or you need to swap pins around to match up properly, these harnesses will make the job quick and easy.
Features:
- Allows Holley Retrobright Headlights To Connect To Any Non-Standard H4 Sockets Or Those That Require A Pin Swap
- Eliminates The Need To Cut Factory Wiring
Holley Retrobright Adapter | H4 | Ceramic | Non-Standard Plug | Pin-Out Swap | 2 Pc.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Fitment
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Specifications
| Brand | Holley |
| Part Number | H00E H820 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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