H4 Polarity Swapper

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  • Regular price £7.99
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These are used with H4 HID kits on certain cars to swap the polarity (positive and negative). These are most commonly used on certain Fords. 

 

The H4 Polarity Swapper is the yin, to your yang. You've found what you're looking for.

Inventory Last Updated: May 11, 2021