NGK 97278 Laser Iridium Spark Plug for Universal Applications ILKAR8H6 Type

Vehicle Fitment

• Universal fitment for vehicles requiring NGK 97278 (ILKAR8H6) spark plugs

Features

• Laser-welded iridium center electrode for exceptional longevity
• Platinum-tipped ground electrode for reliable spark consistency
• Trivalent metal plating resists corrosion and seizing
• Fine-wire design improves ignitability and fuel efficiency
• OEM-level quality and performance for universal compatibility
• Reduces engine misfires and enhances cold start performance
• Engineered to meet or exceed original equipment specifications
• Supports high-compression and high-RPM engine demands

Specifications

• Part Number: NGK 97278 (ILKAR8H6)
• Thread Size: M12 x 1.25
• Reach: 26.5 mm
• Hex Size: 14 mm
• Seat Type: Gasket
• Heat Range: 8
• Resistor Plug: Yes
• Gap: Pre-gapped to OE specifications (typically 0.030")

Included Components

• 1x NGK 97278 Laser Iridium Spark Plug

Product Description

The NGK 97278 Laser Iridium Spark Plug is a universal high-performance ignition solution for engines requiring ILKAR8H6-type plugs. It features a fine-wire iridium center electrode and a platinum-tipped ground electrode, offering optimal ignition performance, longer service life, and improved fuel economy across a wide range of compatible engines.

Designed to meet strict OEM standards, the 97278 plug includes a trivalent metal plating to resist corrosion and thread seizing. Whether you're maintaining a high-revving performance engine or simply looking for OE-quality replacement plugs, NGK's Laser Iridium series offers the reliability, efficiency, and durability you can trust for universal applications. Always confirm plug compatibility with your specific engine before installation.