You are buying 2x BKR6EYA-11 NGK SPARK PLUG FIT Toyota Celica ST182, ST183 2.0L 3S-FE. 90-93. 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.