Premium Spark Plug Set for Optimal Engine Performance
High-quality spark plugs designed for GMC, Chevy, and Cadillac 3.0L & 3.6L engines. Precision-engineered with durable nickel alloy electrodes for superior conductivity and extended lifespan. Perfect fitment ensures seamless installation with factory specifications. Enhances fuel efficiency, reduces emissions, and delivers smooth ignition for daily commutes and high-performance driving. Sold as a complete set of 6 for full engine coverage. Direct OEM replacement (12622561 / 41-109) with factory-matched heat range. Ideal for mechanics, fleet maintenance, and DIY enthusiasts seeking reliable, cost-effective upgrades. Buy in bulk for unbeatable wholesale pricing and fast global shipping.