NGK 7168 Spark Plug

Reliable Ignition Performance for Porsche 911

The NGK Standard Spark Plug 7168 is engineered to deliver consistent ignition performance for Porsche 911 models. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Resistance: 5000 ohms for optimal electrical performance
• Special side ground electrode tip design for improved spark exposure
• Dual ground electrodes made of nickel for enhanced durability
• Copper core center electrode with nickel tip for reliable ignition
• Non-removable nut electrical terminal type for secure connection
• Pre-gap size of 0.036 inches for precise spark gap
• Flat seat type with 0.75 inch reach and 12 mm thread diameter
• Hex size of 5/8 inch for standard installation tools
• Manufacturer heat range rating of 8 suitable for Porsche 911 engine requirements

About the NGK Standard Spark Plug Line

The NGK Standard Spark Plug line offers dependable ignition components designed to meet original equipment specifications. The 7168 spark plug is part of this line, providing a balance of performance and durability through quality materials such as nickel and copper electrodes. This line is ideal for maintaining factory-level ignition standards in vehicles like the Porsche 911.

Technical Details and Features

This spark plug features a special side ground electrode tip design that enhances spark exposure, contributing to efficient combustion. The dual nickel ground electrodes improve wear resistance and longevity. The copper core center electrode ensures excellent thermal conductivity, while the nickel tip maintains consistent spark delivery. The non-removable nut terminal type secures the electrical connection, reducing the risk of loosening under vibration. With a pre-gap size of 0.036 inches and a flat seat design, the NGK 7168 spark plug fits precisely in the Porsche 911 cylinder head, supporting optimal engine performance.

Common Applications and Problem Solving

• Restores proper ignition timing and spark delivery in Porsche 911 engines
• Reduces misfires caused by worn or damaged spark plugs
• Improves fuel efficiency by ensuring complete combustion
• Helps prevent rough idling and engine hesitation
• Supports consistent engine starting and acceleration response

Installation Notes and Tips

When installing the NGK Standard Spark Plug 7168, ensure the spark plug gap is set to the specified 0.036 inches if adjustment is necessary. Use a 5/8 inch socket for proper torque application and avoid over-tightening to prevent thread damage. The flat seat design requires correct seating to maintain compression and prevent leaks. Always replace spark plugs in sets to maintain balanced engine performance.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable ignition performance and durability. The Standard Spark Plug line, including part number 7168, undergoes rigorous testing to comply with OEM specifications. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.