Repl. for OEM 6R10 / RG6HCC. 10mm threaded. 19mm (3/4″) reach. 4 used on M8, 2 used on XG. Used with a 16mm spark plug socket. 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.
