High-Performance Replacement for Boat, Lawn Mower & Powersports Engines – Durable & Reliable Ignition Component 8 Pack For NGK Iridium IX Spark Plugs 1999-2000 for GMC C3500 V8 7.4L ps Mod-N9M-5090

8 Pack For NGK Iridium IX Spark Plugs 1999-2000 for GMC C3500 V8 7.4L ps MPN 7164; Material Iridium; Fuel Type Gasoline; Interchange Part Number TR55IX; OE/OEM Part Number 7164; Classification High-Performance Spark Plug; Compatible Year 1999 2000; Other Iridium IX; MPN 7164;

• ✔ 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.