E3SP-E366 14mm Spark Plug with Taper Seat

Introducing the E3SP-E366 spark plug, designed for optimal performance in a variety of late model applications, particularly Hemi engines. This premium spark plug combines advanced technology with reliable engineering to enhance your vehicle's efficiency and performance.

• 14mm size with a 1.000-inch reach for versatile compatibility.
• Patented DiamondFIRE ground electrode for superior ignition efficiency.
• Edge-to-edge design enhances performance compared to traditional plugs.
• Minimizes unburned fuel venting for improved environmental impact.
• Engineered to maintain like-new performance for up to 100,000 miles.

The E3SP-E366 spark plug is ideal for automotive enthusiasts looking to enhance their engine's performance. Simply replace your existing spark plugs with the E3SP-E366 to experience improved fuel efficiency and reduced emissions. Perfect for both everyday drivers and performance vehicles.