Porting and Polishing a head is a serious job, and should only be done by the most experience professionals, in my opinion. I have broken down to what I consider might be the top 4 pnp companies in the states, which would you choose? and if none of them, who?

Port Flow Design
http://www.portflow.com

JG Enginedynamics
http://www.jgenginedynamics.com/cylinderheads

DPR East
http://www.pure-tuning.com/pag...s.htm

Erick's Racing / Alaniz Technologies
http://www.alaniztechnologies.....html

so whats your opinion?