Get yourself $30 instead of the $80+ for the PIAA's, go down to your local PepBoys and buy a pair of either APC or one of the other custom rice burner parts brand. It should be in the same isle as the neons and crap. They're the Xenon bulbs, easily recognizable by the blue bulbs. I run 100/110w H4's in my Daytona and Tiller and 90/100w 9007's in my car. I've had them in all Summer and they work great, extra heat but not enough to melt anything. Just be careful, leave your bike at idle and these bulbs WILL drain your battery! Did it to me!