You are buying 2x BKR6EYA-11 NGK SPARK PLUG FIT Toyota Celica ST202, ST203 2.0L 3S-FE. 93-96. The workhorse, at the heart of smooth-running engines around the world. Spark Plug. SPARK PLUGS. Spark plugs are the "window" into your engine (your only eyewitness to the combustion chamber), and can be used as a valuable diagnostic tool.