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
It’s Fast 5 season and the car mags are coming out with their own versions or articles aping it left, right, center and sometimes sideways too. The trailer for Fast...