$35 · PIAA XTreme White Plus Bulbs - #9006 and #9005
PIAA XTreme White Plus Head Lamp Replacement Bulbs - 2x per package.
Both packages (#9005 and #9006) came when my wife bought her car a few years ago. Still in original packages. 4000K
Each package contains two bulbs - $35 (or obo) per package.