Repl. for OEM #4 (RL82YC). 14mm threaded. 19mm (3/4″) reach. Used with a 21mm spark plug socket. Removable terminal. Copper-core center electrode.
NGK copper core V-Power 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.
