Premium Iridium Spark Plugs for Enhanced Engine Performance

High-Quality Iridium Core for Longevity

Engineered with a fine-wire iridium tip for superior durability and consistent spark performance, ensuring up to 30% longer lifespan compared to standard spark plugs.

Precision Laser Welding for Reliable Ignition

Features laser-welded iridium center electrodes to deliver precise and powerful sparks, optimizing fuel combustion and reducing misfires in high-performance engines.

Wide Compatibility with Major Models

Designed for Chevy Tahoe, GMC, Pontiac, and other compatible vehicles, replacing OEM part numbers 19256067, 41-993, and 41993 for seamless integration.

Improved Fuel Efficiency & Reduced Emissions

Optimized electrode design promotes complete fuel burn, enhancing gas mileage while lowering harmful exhaust emissions for eco-friendly driving.

Rugged Construction for Harsh Conditions

Built with a corrosion-resistant shell and robust gasket seal to withstand extreme temperatures and vibrations, ideal for towing, off-roading, and heavy-duty use.

Direct OEM Replacement with No Modifications

Exact fitment ensures hassle-free installation, maintaining factory-specified spark gap and torque settings for peak engine performance.