NGK Laser Iridium Spark Plug ILZKBR7B8G (4-Pack) — 4 pcs, Iridium Tip for Long Life and OEM Fit

NGK Laser Iridium Spark Plug ILZKBR7B8G (97968) is a four-piece genuine NGK replacement set engineered to restore reliable ignition performance and long service life.

If your engine needs a direct-fit, high-durability spark plug, this four-pack of NGK Laser Iridium plugs gives a like-for-like OEM-quality swap. Each plug in this ILZKBR7B8G set (part number 97968) uses a fine iridium firing tip for consistent sparks, resistance to wear, and stable combustion over many miles. The package contains four plugs in original NGK packaging and includes any installation hardware required for a straightforward replacement.

How does this NGK iridium plug differ from standard spark plugs?

Iridium plugs use a much finer electrode tip than standard nickel plugs, lowering required voltage and improving ignition consistency. That finer tip resists erosion, which helps maintain gap accuracy and firing efficiency as the plug ages.

• Fine iridium center electrode for stable spark and improved durability
• Longer service life compared with conventional nickel electrodes
• Factory-specified heat range and construction for predictable performance

Will these plugs fit my vehicle and are they a direct replacement?

ILZKBR7B8G (97968) is manufactured to NGK’s OEM specifications for direct-replacement fitment in compatible engines. Always confirm fitment against your vehicle’s recommended spark plug part number or use the retailer’s fitment tool before ordering.

• Sold as a matched 4-pack for vehicles requiring four cylinders
• Includes original NGK packaging to verify part number and authenticity
• Works as a drop-in replacement when ILZKBR7B8G is listed in your vehicle’s parts guide

What are the practical benefits I’ll notice after installing these plugs?

After installation, many drivers experience steadier idling, more reliable cold starts, and smoother throttle response compared with worn plugs. Over time the iridium tip helps preserve combustion consistency, which supports engine efficiency and reduces misfire risk under normal operating conditions.

• Smoother engine response at low and mid RPM ranges
• Lower misfire frequency compared with aged or corroded plugs
• Extended replacement intervals versus standard plugs

How should I install and maintain these spark plugs?

Install NGK plugs following your vehicle maker’s torque and gap specifications, and replace in matched sets as recommended. Use a calibrated torque wrench and anti-seize only if specified—NGK plugs are often pre-gapped and ready to install.

• Check factory gap and torque to manufacturer specs before tightening
• Replace all plugs in the engine at the same interval for consistent performance
• Store unused plugs in their original packaging to protect tips and threads

Who is this product for? This NGK Laser Iridium 97968 four-pack is aimed at DIY mechanics, professional technicians, and vehicle owners who need a genuine OEM-quality replacement for engines specified to use ILZKBR7B8G plugs. It’s suitable when you want a durable, performance-oriented spark plug that maintains consistent ignition over longer service intervals. If your vehicle’s parts manual lists NGK ILZKBR7B8G (97968) or a compatible equivalent, this four-pack provides an authentic, ready-to-install option to help maintain engine smoothness and reliability.