Ignitions and Electrical Wiring Components

Holley

H4 PIN OUT ADAPTER

$12.90

SKU: H00E H820

In Stock
In Stock
Ships by Jul 29
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Holley RetroBright adapter is a wiring harness designed for swapping pins or connecting non-standard H4 sockets. It allows Holley RetroBright Headlights to interface with female sockets that require a pin swap. This adapter eliminates the need to cut factory wiring.

Fitment

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Specifications

BrandHolley
Part NumberH00E H820

Videos

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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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