Malibu Engine Spark Plug, Iridium - 41-114

- Standard GM OEM iridium spark plug, part number 41‑114 (also referenced as 12622441), designed for durability and precision ignition with a fine-wire iridium core and copper center for enhanced heat transfer and long service life 
- Thread spec is M14 (0.551" diameter) with a 0.984" reach (≈25 mm), M16 hex socket, taper seat, heat range 16, and a preset gap of 0.040" (≈1.025 mm) 
- Offers reliable cold starts, smooth idle, and reduced electromagnetic interference thanks to a suppressor seal and resistor (4–7.5 kΩ), while laser-welded iridium electrodes ensure precision and longevity