Denso 4503 Spark Plug

Product description

• Twin-tip technology with 11 mm platinum center electrode and 11 mm titanium enhanced ground electrode
• Improve fuel economy, better acceleration and faster starts than all other single platinum plugs
• Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme stress
• Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme stress