PIAA H4 performance bulb 3400K 80/80 watt bulb will give you the ultimate in high-power halogen technology, with outputs approaching that of Gas Discharge lighting systems - but without the additional cost and weight.
Developed for competition use, the platinum range achieves light emissions which represent colours close to that of natural sunlight.

These Bulbs are the direct replacement for the old H89 bulbs

For fast road use and for those who demand high performance lighting, the extreme white range produces light levels far in excess of there power rating.