NGK nickel spark plugs feature a specially designed v-groove centre 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 the need for anti-seize
High-grade alumina silicate ceramic

*Image used for illustration purposes only

If you have any concerns regarding the suitability of the item please ask before purchase.

If the part looks the same as yours is not always the right one for your outboards so please double check.

It is the buyer responsibility to ensure that the correct shipping address is supplied.

Al item(s) will be dispatched to the registered address.

Delivery is by Royal Mail, Parcel Force, Hermes depending on weight and dimensions.

All item will be despatched within 24 h after receiving clear payment.

Returns

A refund of a returned item less original shipping costs will be issued if is within 14 days after purchase.

The item(s) being returned must be unopened, uninstalled and in a resalable condition.

Please use a suitable shipping carton to return item(s). Do not use manufacture packaging to ship.

If the item is damaged or faulty we will more than happy to replace it or issue you with a full refund if necessary.

Spark plug NGK 6921 BL-6H