Spark Plug for 4AGE BT 20v engine is IK20.
For further information, u may refer this website
http://www.globaldenso.com/en/products/aftermarket/plug/basic_knowledge/heatrange/index.html
Dear all cifu,, im looking fwd to know the code number that for evo6 power steering,aicond and altenator belt. mine just tear apart n the printed on top of it already blurr.. need help frm all of u. tq