NGK BR7HS Spark Plug (NGK4122)

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NGK BR7HS spark plug for various makes and models including Aprilia 50cc carbureted scooters. NGK traditional plugs are constructed for longer life and optimum performance. Corrugated ribs prevent flashover. NGK uses only the purest alumina silicate in its ceramic insulator which give all NGK plugs greater strength and better heat transfer. Copper cored and triple sealed to further aid in heat removal and prevent interior leakage.
NGK4122
Thread Size: 14mm
Reach: 12.7mm (1/2 inch)
Hex Size: 20.6mm (13/16 inch)
Gap: 0.7mm (.028 inch)
Heat Range: 7
Removable Terminal Nut
SUPPORTED MODELS: Aprilia, Various unlisted makes/models