NGK D6HA, D7EA, D8EA Spark Plug

Get quantity discounts on these high - quality NGK spark plugs for better engine performance.

These NGK spark plugs are easy to use. First, make sure your engine is turned off. Then, locate the old spark plugs and carefully remove them using a spark plug wrench. Insert the new NGK spark plugs in the same position and tighten them gently. When installing, don't overtighten as it may damage the engine. As for maintenance, it's a good idea to check the spark plugs regularly. If you notice any signs of wear or if your engine isn't running smoothly, it might be time to replace them. These spark plugs are built to last, but regular checks will keep your engine performing at its best.