These are for BALLASTED Bars only, 

Don't know if your bar is ballasted? Shoot us a message, commonly found with a pack similar to a strobe supply in the bar, 2 wires to the head and a large heat sink on the back of the head

LIN12

AMBER/YELLOW

Fits Whelen Liberty bars, normally with a 2004 date or older, and some Patriot bars that have had the corner led upgrade in the past.