Iridium and Platinum Spark Plugs; Set of 8 (99-09 4.8L, 5.3L Silverado 1500)Find parts that fit my vehicle

Advanced Ignition Performance Upgrade. The Iridium and Platinum Spark Plugs; Set of 8 are engineered to deliver stronger, more consistent sparks in your 1999-2009 4.8L, 5.3L Silverado 1500 Models. This enhanced ignition performance promotes smoother engine operation, improved throttle response, and more efficient combustion under a variety of driving conditions.

Dual-Metal Durability for Extended Service Life. Featuring both iridium and platinum construction, the Iridium and Platinum Spark Plugs; Set of 8 offer exceptional resistance to wear and high temperatures in 1999-2009 4.8L, 5.3L Silverado 1500 Models. This combination ensures longer intervals between replacements while maintaining reliable performance over time.

Optimized Fuel Efficiency and Emissions. The Iridium and Platinum Spark Plugs; Set of 8 help maximize fuel burn efficiency in your 1999-2009 4.8L, 5.3L Silverado 1500 Models. By promoting complete combustion, they contribute to better fuel economy and reduced emissions, making your engine cleaner and more efficient.

Installation. Putting these Iridium and Platinum Spark Plugs; Set of 8 on your 4.8L, 5.3L Silverado 1500 takes 1 hour to install.

Warranty. There is a limited warranty on this product.

Application. The Iridium and Platinum Spark Plugs; Set of 8 fit 1999-2009 4.8L, 5.3L Silverado 1500 models.

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