NGK BMR6A 7421 spark plug offers reliable ignition and optimal combustion for cars and trucks. Made with nickel core and top materials, it ensures durability and corrosion resistance.
Part code: 7421
Thread size: 14 millimetres
Core material: Nickel
Top material type: Nickel
Vehicle service type: Car, Truck
Trivalent metal plating for anti-corrosion and anti-seizing
Corrugated ribs prevent flashover
Pure alumina insulator for excellent heat dissipation
