spark plug CR9EB copper or irridium 10mm M8 and Street

NGK spark plug CR9EB copper or irridium

Replace  for OEM 6R10 / RG6HCC. 10mm threaded. 19mm (3/4″) reach.

Option 1:
Copper-core center electrode. Removable terminal. 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.

Option 2:
The NGK Iridium IX spark plugs offer improved throttle response, superior anti-fouling and high-ignitability, which makes Iridium IX® ideal for the performance enthusiast, even better than platinum. Iridium’s extremely high melting point is perfectly suited to today’s high-temperature engines, delivering outstanding acceleration, fuel efficiency and double to triple the lifespan of a copper core plug. – Fine iridium tip ensures high durability and a consistently stable spark. – Trivalent metal plating for superior anti-corrosion and anti-seizing properties. – Outstanding acceleration, high fuel efficiency and durability.

SOLD EACH

For
99-17 Twin Cam
86-23 XL Sportster (exclude XR1200)

Brand NGK