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Holley RetroBright Adapters

4.0 out of 5 stars 1 Customer Reviews

If you don't feel comfortable cutting up your factory wiring or don't want to attempt to swap pins on your headlight plugs, Holley RetroBright adapters make it a pl
If you don't feel comfortable cutting up your factory wiring or don't 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.

Additional details:

* 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
* Can be used to replace old and brittle factory so
If you don't feel comfortable cutting up your factory wiring or don't 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.

Additional details:

* 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
* Can be used to replace old and brittle factory sockets
* Includes two Holley RetroBright H4 adapters

Results 1 - 2 of 2

Wiring Harnesses, RetroBright Adapter, H4, Non-Standard Plug, Pin-Out Swap, Plug-and Play, Ceramic, Premium Version,Pair

Part Number: HLY-H820

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Wiring Harnesses, RetroBright, Adapter, H4, Non-Standard Plug, Pin-Out Swap, Plastic Version, Entry Level, Pair

Part Number: HLY-H821

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

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