Spark Plug DCPR8E/4339 NGK USA
NGK nickel spark plugs feature a specially designed v-groove center electrode, improving ignitability and reducing quenching. The 98% pure copper core delivers increased heat dissipation for more reliable starts and reduced risk of overheating.
- Cold-rolled threads prevent cross-threading and damage to cylinder heads
- Trivalent plating eliminates need for anti-seize
- High-grade alumina silicate ceramic
Datasheet :
https://ngksparkplugs.com/wp-content/uploads/2019/03/Nickel-Spark-Plugs.pdf
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