Copper Core: The D7EA spark plug uses copper wire for efficient heat dissipation, keeping the electrode and insulator tip cool and ensuring optimal performance under high-temperature conditions.
Raised Pre-Ignition Rating: High-conduction copper and a long nose insulator help improve heat distribution and reduce the risk of pre-ignition in high-performance engines.
Non-Resistor: This spark plug is designed without a resistor, making it suitable for engines that do not require electrical interference protection.
Specifications:
Heat Range: 7 - Suitable for engines that operate at high temperatures but require a spark plug that can handle and dissipate heat efficiently.
Thread Size: 12mm - Standard size for many small engines, including motorcycles and ATVs.
Gap: 0.028" (0.7mm) - Ensures proper spark for ignition.
Hex Size: 11/16" (18mm) - Standard size for installation and removal.
Reach: 19mm (3/4") - The distance from the tip to the sealing face, ensuring proper fitment.
Terminal Type: Stud Terminal Threads - Designed for use in engines that require threaded stud connections.
Seal Type: Gasket Seat - Ensures proper sealing during installation.
Resistor: No - Does not include a resistor, ideal for applications that do not need electrical interference protection.
Applications:
The NGK D7EA Spark Plug is compatible with a variety of vintage motorcycles and small engines, making it ideal for the following vehicles:
Improved Heat Dissipation: The copper core and long nose insulator help to prevent overheating and pre-ignition in high-stress applications.
Enhanced Durability: Designed for long-lasting performance, the spark plug can withstand high temperatures and stress, ensuring reliability in high-performance engines.
Ideal for Vintage Engines: This spark plug is perfect for vintage motorcycles, ATVs, and other small engines that need reliable, heat-resistant components.
Plug Construction:
Copper Core: Aids in effective heat removal and increases the lifespan of the plug under high stress.
Triple Seals: Prevents internal leakage and further aids in heat removal.
Corrugated Ribs: Prevent flashover, ensuring a stable spark and reliable engine performance.
Additional Information:
Does Not Include Terminal Nut: If needed, order part #067606-0051 separately.
Traditional Spark Plug: NGK’s traditional design provides optimum performance and longevity for high-performance engines.
The NGK D7EA Spark Plug is a top choice for high-performance and vintage engines, offering reliability and durability under demanding conditions. Its non-resistor design makes it suitable for applications where electrical interference protection is not necessary.