I have a 01 400ex with a mid to upperrange webcam and was wandering what piston would work best with this setup, it has also been ported and polished with the CT pipe[img]i/expressions/face-icon-small-confused.gif[/img]

 

Ross and JE seem to have the best reputation. Supposedly Wiseco is JE's parent company. Ross is lighter, and will rev a little faster.