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What are the best plugs for a 2004 GMC 5.3 engine?

ACDelco 41-932 Iridium Spark Plugs (4-Pack)

* OE-style spark plugs designed for long life and excellent performance

* Iridium electrodes provide superior durability and ignition efficiency

* Engineered to meet or exceed GM specifications

* Made in USA

NGK 5921 Spark Plugs (4-Pack)

* OE-style spark plugs designed for long life and excellent performance

* Iridium IX plugs feature a fine iridium tip for superior durability and ignition efficiency

* Engineered to meet or exceed GM specifications

* Made in Japan

Bosch 9602 Double Platinum Spark Plugs (4-Pack)

* OE-style spark plugs designed for long life and excellent performance

* Double platinum electrodes provide superior durability and ignition efficiency

* Engineered to meet or exceed GM specifications

* Made in Germany

Autolite XP5353 Platinum Spark Plugs (4-Pack)

* OE-style spark plugs designed for long life and excellent performance

* Platinum tip provides superior durability and ignition efficiency

* Engineered to meet or exceed GM specifications

* Made in USA

Denso Iridium TT Spark Plugs (4-Pack)

* OE-style spark plugs designed for long life and excellent performance

* Iridium TT plugs feature a fine iridium tip for superior durability and ignition efficiency

* Engineered to meet or exceed GM specifications

* Made in Japan