If your looking for a brighter and more powerful headlight bulb for your vintage Triumph, BSA or Norton motorcycle then our selection of H4 LED headlight bulbs are exactly what you need. Our new LED H4 headlight bulbs are very bright which means you can have more light without putting strain on your Lucas alternator. H4 LED bulbs will work with any headlight that can accept an H4 bulb with a 3-prong input. All of our H4 bulbs will work with (+) positive or (-) negative ground including hi / low beam. All LED light bulbs are guaranteed to be bright - no modifications required! Although our LED light bulbs are brighter they do not put any strain on your charging system. If fitting to a vintage Triumph, BSA, Norton or a "vintage car" please make sure your harness has a 3-prong adapter along with the correct headlight unit that can accept an H4 bulb. Please use the drop down menu to select the bulb you desire - please review all bulb specifications prior to ordering - sold each **Features** Made in Taiwan
