NGK 4772 Spark Plug

NGK Iridium IX Spark Plug Overview

The NGK Iridium IX Spark Plug 4772 is engineered for precision ignition performance, specifically designed for Lamborghini Diablo models. This spark plug combines advanced materials and design features to ensure reliable combustion and efficient engine operation.

• Iridium center electrode tip for enhanced durability and ignition
• Taper cut ground electrode tip for improved spark exposure
• Copper core center electrode for optimal conductivity
• Standard ground configuration with a single nickel ground electrode
• Pre-gap size of .032 inches for precise spark gap
• Flat seat type with 12.00 mm thread diameter and .75 inch reach
• Hex size 18 mm for easy installation and removal
• Manufacturer heat range 9 suitable for high-performance engines
• Electrical terminal type: stud for secure connection

Iridium IX Spark Plug Product Line Details

The Iridium IX Spark Plug line by NGK is designed to provide enhanced ignition performance and longer service life compared to conventional spark plugs. Featuring an iridium center electrode tip, this product line offers improved wear resistance and consistent spark delivery. The 4772 part number is a specific fitment within this line, tailored for the ignition requirements of the Lamborghini Diablo.

Technical Description and Features

This NGK spark plug utilizes a copper core center electrode to maximize electrical and thermal conductivity, paired with an iridium tip that resists erosion and maintains a stable spark gap over time. The taper cut ground electrode tip increases spark exposure to the combustion chamber, promoting efficient ignition. The single nickel ground electrode provides durability while maintaining a standard ground configuration. With a pre-gap of .032 inches and a flat seat design, this spark plug ensures proper sealing and optimal combustion chamber fitment. The 18 mm hex size and stud-type electrical terminal facilitate straightforward installation and reliable electrical connection.

Compatible Vehicles and Applications

• Compatible with Lamborghini Diablo ignition systems
• Designed for secondary ignition replacement in high-performance engines
• Addresses issues such as misfires, poor fuel economy, and rough idling
• Helps maintain consistent engine starting and smooth acceleration

Installation Notes and Tips

• Verify correct spark plug gap before installation; factory pre-gap is .032 inches
• Use a torque wrench to tighten to manufacturer specifications to avoid damage
• Ensure the spark plug threads and cylinder head are clean before installation
• Check for proper seating with the flat seat design to prevent compression leaks

Quality Assurance and Warranty

NGK spark plugs, including the Iridium IX 4772, are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, NGK products typically come with a limited warranty against manufacturing defects. This spark plug is designed to provide consistent ignition performance for the Lamborghini Diablo, supporting reliable engine operation over its service life.