This heavy duty H4 ceramic insert is great for high wattage bulbs.  Ceramic is far more tolerant of the heat generated by electrical current than the stock plastic connectors. These plugs come...

The Van Cafe H4 LED headlight upgrade kit lights up the darkest of nights with clear, bright light. Key Features: 6500K (natural daylight) color temperature means no blue tint to blind oncoming...

This H4 rectangular headlight wiring cap fits on the backside of all H4 headlight housings.   These caps are essential for protecting the headlight housing from dirt and debris. Two per...