Hipa BPR4ES Standard Spark Plugs compatible with NGK 6578 7222 Yamaha 94702-00819 94703-00331 Snowmobile Motorcycle Lawn Mower Tractor Trimmer

● Trivalent metal plating provides superior anti-corrosion and anti-seizing properties.
● Pure alumina silicate ceramic insulator, providing superior strength and better heat transfer.
● Nickel copper core increases your engine’s acceleration and fuel efficiency with stable ignitability.
● The v-cut center electrode design allows the spark to more quickly ignite the air/fuel mixture for quicker starts.
● Specs: thread diameter: 14mm; reach: 19mm; gap: 0.8mm.