These bulbs are the most common H-4 bulbs used in motorcycle applications. They have a 3-prong (P43t style) base
Direct replacement for ‘80-’97 GL and all Valkries (except Interstate) as well as all other bikes using H-4 style bulbs with a P43t base
55/60 watt (clear)-standard replacement
90/100 watt (clear)- high intensity
55/60 watt (Rainbow)- foul weather,rain
55/60 watt (Premium Blue)- Kuryakyn's brightest light almost resembles sunlight
55/60 watt (Blue/White)- equal to 100 watt clear
