NGK 7272 Spark Plug

NGK Iridium IX Spark Plug Overview

The NGK Iridium IX Spark Plug 7272 is engineered for reliable ignition performance in select GM vehicles. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and consistent engine operation in models like the Chevrolet Camaro and GMC S15.

• Iridium center electrode tip for enhanced durability and ignition
• Taper cut ground electrode tip design for improved spark exposure
• Copper core center electrode for optimal conductivity
• Standard ground configuration with a single nickel ground electrode
• Non-removable nut electrical terminal type for secure connection
• Pre-gap size of 0.060 inches for precise spark gap
• Tapered seat type and 14mm thread diameter for proper fitment
• Hex size of 5/8 inch for installation with common tools
• Manufacturer heat range rating of 5 suitable for moderate engine temperatures
• Insulator height of 53.00 mm and reach of 0.46 inches for correct positioning

Iridium IX Spark Plug Product Line Details

The NGK Iridium IX Spark Plug line focuses on delivering long-lasting ignition components with iridium-tipped electrodes. This design reduces electrode wear and maintains stable spark performance over time. The 7272 part number benefits from this technology, providing consistent ignition in compatible Buick, Chevrolet, GMC, Oldsmobile, and Pontiac vehicles.

Technical Description and Compatibility

This spark plug features a copper core center electrode that enhances electrical and thermal conductivity, paired with an iridium tip that resists erosion. The taper cut ground electrode improves spark exposure, contributing to efficient combustion. The single nickel ground electrode and standard ground configuration ensure compatibility with a range of GM engines. The non-removable nut terminal type offers a secure electrical connection, while the 0.060-inch pre-gap size is optimized for ignition performance. The tapered seat and 14mm thread diameter ensure proper installation in vehicles such as the Chevrolet Camaro, GMC S15 Jimmy, and Pontiac Firebird.

Applications and Problem Solving

• Restores consistent ignition in Buick Century and Chevrolet Lumina engines
• Reduces misfires and rough idling in GMC S10 Blazer and Pontiac Grand Am
• Improves fuel efficiency and throttle response in Oldsmobile Cutlass Ciera
• Addresses spark plug wear and electrode erosion in Chevrolet Astro and Pontiac Sunbird
• Supports reliable cold starts and smooth acceleration in GMC Sonoma and Buick Skylark

Installation Notes and Tips

• Verify compatibility with your vehicle’s make and model before installation
• Use a 5/8 inch socket wrench for proper tightening
• Check and adjust the spark plug gap to 0.060 inches if necessary
• Apply anti-seize compound on threads to prevent galling
• Torque to manufacturer specifications to avoid damage to the tapered seat

Quality Assurance and Warranty

NGK spark plugs, including the Iridium IX 7272, are manufactured to meet strict quality standards for durability and performance. The use of iridium and copper materials ensures long service life and reliable ignition. While specific warranty details may vary, NGK typically offers coverage against manufacturing defects. Consult vehicle and part documentation for exact warranty terms.