you can buy them from www.superbrightleds.com, or you can do it the cheaper way and remove the bulbs from their bases, and sodder a resistor onto a led, then sodder it to the base, and install. very quite simple.
95 SES Sold
99 SE Sport Sold
99 SVT T-Red Tan Interior. K&N, Magnecors, 19' Theorys, And some audio stuff.