• NGK “V-Power” racing spark plug, 14mm thread size.
• These plugs lower ignition system voltage requirements, have greater ignitability and performance over conventional spark plugs.
• The Trivalent metal plating has superior anti-corrosion and anti-seizing properties.
• Promotes increased fuel economy and lower emissions.
• Highly durable against electrical and chemical wear.
• If you’re unsure of the heat range you need, a colder plug will eventually foul and misfire, but will not damage the engine.
• A plug that is too hot can cause pre-ignition.

SKU: 255 R5XXXX