Product ReviewsSpark Plug-Iridium IX NGK 6681

All good

All good very happy

Verified purchase:  Yes | Condition: new | Sold by: motorcycleworks

Quality control problems

Bought 2, 1st did not run as soon as engine warmed. NGK have some quality issues. 2nd seems to run as good as regular plug.

Verified purchase:  Yes | Condition: new | Sold by: motorcycleworks

its a spark plug

Verified purchase:  Yes | Condition: new | Sold by: joxauto

Bom

Verified purchase:  Yes | Condition: new | Sold by: motorcycleworks

My bike runs great

Drive smooth

Verified purchase:  Yes | Condition: new | Sold by: motorcycleworks

Great product

Good quality.Works perfect.Couldn't ask for more

Verified purchase:  Yes | Condition: new | Sold by: partskingcanada

Spare plugs

Got these fo spare plugs

Verified purchase:  Yes | Condition: new | Sold by: summerlandautos...

My atv runs way better now.

Verified purchase:  Yes | Condition: new | Sold by: joxauto

Worked amazing

Worked amazing

Verified purchase:  Yes | Condition: new | Sold by: oemcycles

All good

All good

Verified purchase:  Yes | Condition: new | Sold by: streetfxusa