Here are some links to a couple webpages on the se-r.net website that contain information about DPR's headwork on a SR20DE:
http://www.se-r.net/about/200sx/scc/feb98/february.html
http://www.se-r.net/about/200sx/
The last time I talked to Dan @ DPR, these were his prices:
Stage IV $850
Stage V $1200 W/ Manifold
Stage VI $1500 Full welding and combustion chamber modifications
Stage VI $2300 - added valves and coating etc
Go to his website if you would like more information: www.dpr-racing.com
http://www.se-r.net/about/200sx/scc/feb98/february.html
http://www.se-r.net/about/200sx/
The last time I talked to Dan @ DPR, these were his prices:
Stage IV $850
Stage V $1200 W/ Manifold
Stage VI $1500 Full welding and combustion chamber modifications
Stage VI $2300 - added valves and coating etc
Go to his website if you would like more information: www.dpr-racing.com