BPR4HS (6103396) Spark Plugs are a critical engine component that provides the spark that ignites the air-fuel mixture that drives an engine. NGK Spark Plugs feature a trivalent plating, a silver-or-chrome colored finish on the threads is designed to provide corrosion resistance against moisture and chemicals. NGK Spark Plugs are designed to meet or exceed OE standards- this means that all NGK spark plugs will meet the specifications set by the manufacturer of your vehicle. To fit - HONDA NC 50 1977 - 1983 SUZUKI CS 50 SUZUKI FA 50 SUZUKI FR 50 SUZUKI FZ 50 SUZUKI JR 50 1995 - SUZUKI JR 50 JA143 YAMAHA PW 50 E 1993 -