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The GM ACDelco R45S Spark Plug is designed for reliable ignition, smooth engine operation, and long-lasting performance in GM engines. Featuring a copper core and nickel alloy electrode, it ensures consistent spark, effective heat dissipation, and resistance to fouling. This spark plug is ideal for conventional ignition systems, providing dependable cold starts, improved fuel efficiency, and smooth engine performance across a variety of GM vehicles.
🔧 Copper core ensures strong spark and efficient heat transfer
🔧 Nickel alloy electrode resists fouling, corrosion, and wear
🔧 Pre-gapped for quick and easy installation
🔧 Provides smooth idle and reliable cold-start performance
Brand & Part Number: ACDelco R45S
Material: Copper Core with Nickel Alloy Electrode
Thread Size: 14mm
Reach: 0.46 in. (11.7mm)
Gap: Pre-gapped (~0.035 in.)
Choose ACDelco R45S for reliable ignition and improved engine performance! 🔧