NGK 6700 Spark Plug

NGK Laser Iridium Spark Plug Overview

The NGK Laser Iridium Spark Plug 6700 is engineered for precise ignition performance in Mazda RX-8 vehicles. Designed with advanced materials and a specialized electrode configuration, this spark plug supports efficient combustion and reliable engine operation.

• Iridium center electrode tip for enhanced durability
• Pin type ground electrode tip with slant ground configuration
• Platinum ground electrode core material for extended wear resistance
• Copper center electrode core for optimal conductivity
• Non-removable nut electrical terminal type
• Pre-gap size of 0.044 inches for consistent spark delivery
• Flat seat type with 14mm thread diameter and 21mm reach
• Hex size of 13/16 inch for standard installation tools
• Manufacturer heat range rating of 7
• Insulator height of 60.00 mm

Detailed Product Description

The NGK Laser Iridium Spark Plug 6700 (part number Re7c-l) is specifically designed for the Mazda RX-8, providing a reliable ignition source with a focus on longevity and performance. The iridium center electrode tip offers a fine point that requires less voltage to generate a spark, improving ignition efficiency. The copper core enhances electrical conductivity, while the platinum ground electrode core increases resistance to wear and corrosion. The pin type ground electrode tip combined with a slant ground configuration optimizes spark exposure and combustion. The spark plug features a flat seat type and a 14mm thread diameter with a 21mm reach, ensuring proper fitment and sealing in the RX-8 engine. The pre-gap size of 0.044 inches is factory set to maintain consistent spark gaps, reducing misfires and improving fuel efficiency.

About the NGK Laser Iridium Spark Plug Line

The Laser Iridium Spark Plug line from NGK is designed to deliver precise ignition performance with enhanced durability. Utilizing iridium and platinum materials in the electrode construction, these spark plugs offer improved wear resistance and consistent spark generation. This product line is engineered to meet the demands of modern engines, such as the Mazda RX-8, where efficient combustion and long service life are critical.

Applications and Problem Solving

• Compatible with Mazda RX-8 ignition systems requiring part number 6700 or Re7c-l
• Helps reduce engine misfires caused by worn or damaged spark plugs
• Improves cold start performance and throttle response
• Addresses issues related to inconsistent spark gaps and electrode wear
• Supports stable combustion to reduce emissions and improve fuel economy

Installation Notes and Tips

• Ensure the spark plug gap is set to 0.044 inches before installation if adjustment is necessary
• Use a 13/16 inch socket for proper torque application
• Apply anti-seize compound sparingly on threads to prevent galling
• Torque to manufacturer specifications to avoid damage to the flat seat
• Inspect ignition coils and wiring for optimal performance after installation

Quality Assurance and Warranty

NGK Laser Iridium Spark Plugs are manufactured to strict quality standards to ensure consistent performance and durability. The use of premium materials such as iridium and platinum contributes to extended service life. While specific warranty details may vary, NGK products typically come with a limited warranty against manufacturing defects. Always refer to NGK’s official documentation for warranty terms related to part number 6700.