Danny in ID
NGK spark plugs are top of the line and you can't beat Rocky Mountain's prices!!!
Caleb in OR
My last plug lasted 2600 miles on my 2 stroke before the ceramic cracked not bad for the price.
Ben in WV
works as should, great product.
Kyle in AZ
Just like it should
Garrett in PA
My bike starts first kick now thanks to the NGK plug!
Dustin in LA
By far the best spark plugs on the market