I got this photo from the Jenvey website. You can click on the Jenvey website in my link column. They a few setups to suit your application. Prepare to pay the price if you are interested.
At least they have something for Proton/Mitsubishi natural aspirated engines. If you feel the local custom versions has some lacking in their design, just get a set from Jenvey. With good chosen EMS and proper tuning, this should run smooth on the track and on the street also. Hee Hee.