PIAA H4 Super Plasma GT-X Bulb PIAA Super Plasma GT-X Bulb features a crisp 5000K light that performs beyond any standard halogen bulb. Features: Xtra technology produces a 5000K color that provides better contrast and depth perception allowing riders to see farther One-piece filament and heat-resistant quartz glass ensures dependable, consistent performance Slight purple top coat Xtreme color output with crisp illumination for the HID look Sold each
