The Single Overhead Cam is an interference type, but the DOHC is definitely a non-intererence, whatever they list in various part sites. INstall new belt, time properly, bolt everything back and go.
THe belt kit is available under $100 on e-bay complete with tensioner, idle, water pump.
ANd instructions here:
http://www.geocities.com/lmp4203/kia...TimingBelt.zip
or browse through here:
www.geocities.com/lmp4203/kiasport