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The Genuine GM ACDelco R42LTS Spark Plug is engineered to deliver reliable ignition, smooth engine operation, and long-lasting durability. Featuring a copper core and nickel alloy electrode, this spark plug ensures consistent spark, excellent heat dissipation, and efficient combustion. Ideal for GM vehicles requiring conventional spark plugs, the R42LTS provides dependable performance and optimal fuel efficiency.
🔧 Copper core enhances conductivity and thermal control
🔧 Nickel alloy electrode resists fouling and corrosion
🔧 Pre-gapped for easy and precise installation
🔧 Provides smooth idle and reliable cold-start performance
Brand & Part Number: ACDelco R42LTS
Material: Copper Core with Nickel Alloy Electrode
Thread Size: 14mm
Reach: 0.46 in. (11.7mm)
Gap: Pre-gapped (~0.035 in.)
Ensure reliable ignition and performance with ACDelco R42LTS spark plugs! 🔧