NGK 9356 Spark Plug

NGK Racing Spark Plug 9356 Overview

The NGK Racing Spark Plug 9356 is engineered for high-performance ignition systems requiring precise spark delivery and durability. 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 ignition stability
• Pin type ground electrode tip with slant ground configuration
• Copper core center electrode for optimal conductivity
• Nickel ground electrode core material for durability
• Non-removable nut electrical terminal type
• Pre-gap size of 0.028 inches for precise spark gap
• Flat seat type with 26.5 mm reach and 10 mm thread diameter
• Hex size of 14 mm for standard installation tools
• Manufacturer heat range rating of 8

Detailed Description of NGK Racing Spark Plug 9356

The NGK Racing Spark Plug 9356 belongs to the Racing Spark Plug line, designed specifically for secondary ignition applications in performance vehicles. This spark plug features a copper core center electrode with an iridium tip, combining excellent electrical conductivity with wear resistance. The pin type ground electrode tip and slant ground configuration improve spark exposure and combustion efficiency. The nickel core ground electrode enhances durability under high-stress conditions. With a pre-gap size of 0.028 inches and a flat seat design, this spark plug ensures consistent spark delivery and proper sealing in compatible engines. The non-removable nut terminal type provides a secure electrical connection, while the 14 mm hex size and 26.5 mm reach accommodate a range of performance engines. The heat range of 8 is suitable for applications requiring moderate heat dissipation.

Applications and Performance Benefits

• Improves ignition reliability in high-performance and racing engines
• Reduces misfires and enhances throttle response
• Supports stable combustion under high RPM conditions
• Helps maintain engine efficiency and power output
• Suitable for vehicles requiring a heat range 8 spark plug

Installation Notes and Tips

When installing the NGK Racing Spark Plug 9356, ensure the spark plug gap is set to the specified 0.028 inches if adjustment is necessary. Use a 14 mm socket wrench for proper torque application to avoid damage to the flat seat threads. Confirm compatibility with your vehicle’s ignition system and engine specifications before installation. The non-removable nut terminal requires appropriate ignition wire connectors for secure attachment.

Quality Assurance and Warranty

NGK Racing Spark Plugs are manufactured to meet strict quality standards for performance and durability. The 9356 part number undergoes rigorous testing to ensure consistent electrical resistance of 5000 ohms and reliable operation under racing conditions. While specific warranty details are not provided, NGK products typically come with manufacturer-backed quality assurance to support long-term use in compatible vehicles.