8x NEW NGK RACING - Yellow Box SPARK PLUGS - Part No. R5673-8 Stock No. 4140 8pk
R5673-8 4140 RACING - Yellow Box. NGK are the biggest OEM Supplier for both Spark Plugs and Glow plugs. NGK have got the right plug for your engine, if it is standard, uprated or performance. "The worlds number 1 spark plug".