Replacement for 8 Pack For NGK Iridium IX Spark Plugs 2001-2006 for GMC Sierra 2500 HD V8 8.1L ps Mod-N9M-6440

8 Pack For NGK Iridium IX Spark Plugs are high-performance spark plugs made of iridium, specifically designed for gasoline-fueled GMC Sierra 2500 HD V8 8.1L engines from 2001 to 2006. These spark plugs are manufactured by For NGK in Japan and feature Iridium IX technology for improved performance.MPN 7164; Material Iridium; Fuel Type Gasoline; Interchange Part Number TR55IX; OE/OEM Part Number 7164; Classification High-Performance Spark Plug; Compatible Year 2001 2002 2003 2004 2005 2006; Other Iridium IX;

• ✔ Trusted Brands You Know – Includes spark plugs from industry-leading names like For Champion, For NGK, ACDelco, For Bosch—quality you can count on.
• ✔ Consistent Ignition & Engine Start – Engineered for reliable cold starts and smooth combustion across a wide range of engines and conditions.
• ✔ Improves Fuel Efficiency – Helps optimize fuel-air mixture ignition for better mileage, reduced emissions, and smoother performance.
• ✔ Built to Last – Manufactured using high-grade materials to withstand heat, vibration, and long-term engine operation.
• ✔ Versatile Applications – Suitable for marine engines, lawn mowers, ATVs, motorcycles, and power equipment—ideal for maintenance or upgrades.