H4 LED Headlight Bulbs (1) - Choose Bulb Type Voltage - Polarity - Lumens:DC 6V - 24V (Positive / Negative) - 520LM/1000LM - Lucas Brand SS & SH) from approx

SS & SH) from approx 1960-1963

Please note that pistons are sold each as pictured

If you own a Triumph 650 unit twin we suggest install a 70-2879 / E2879 roller bearing with a normal clearance rating or a "CN" rating

Etc) from approx 1964-1969

Replaces part number 40-8114 and 40-8115

H4 LED Headlight Bulbs (1) - Choose Bulb Type Voltage - Polarity - Lumens:DC 6V - 24V (Positive / Negative) - 520LM/1000LM - Lucas Brand SS & SH) from approxIf 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 (+)