07-10 HARLEY DAVIDSON FLHTCU ULT. CLASS ELECTRA GLIDE High & Low Bi-Xenon HID Headlight Conversion Kit 10000k Light Blue Color: Light Blue; Temperature: 10000K, Bulbs size: 9003 / H4 (12V 35W); Average Life: &gt;3000 Hours The kit includes 2 x Ballast, 2 x HID light bulbs, mounting brackets, hardware and instruction HID lights can give you better visibility in order to help you to overcome the severe driving conditions Motorcycle Application: HARLEY DAVIDSON 2007 2008 2009 2010 FLHTCU ULT. CLASS ELECTRA GLIDE 1584 CC