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
If your friend ask for tyre recommendation...which tyre you will recommend them? and why?
1. Michelin PS3
2. Yokohama Advigor Z.P.S
3. Goodyear DuraPlus
I just recently acquired 2nd hand evo 4 and dunno which oil to use... there is so much oil in the market that i got confused. Please recommend. Help is very much appreciated.