regular halogen. if one goes out it is a PITA!!!!!!! my boarding partner is an electrical engineer and he was trying to make some led's that would fit in there, but I ended up selling mine and getting pro 80's.
"if one day the speed kills me, do not cry because i was smiling." -Paul Walker
2011 X25-lots of flake,stereo and ilmor
1985 Stars and Stripes-Ol' glory