You are buying 2x BKR5E-11 NGK SPARK PLUG FIT Mitsubishi Verada KJ 3.5L 6G74 V6 (Front Bank) 00-03. 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.