Anyone port thier 4V heads on 99,01 or 03 ???

[F8l Vnm]

I know thier 03 and 99.01 heads are different but has anyone done this?
Any info on people , shops or power wise wopuld appreciated...
Just inquiring for friend who is planning on doing it ..

 

[wickedstangs]

Contact www.powerheads.com