2PCS BPM6A Spark Plugs for Generator, Lawn Mower, Go Kart, etc

– The recommended spark plugs for generators, pumps, lawn mowers, scooters, etc – Enhanced ignition efficiency – Better acceleration – Smooth running – Longer Service Life – Fast Starts – Reduced Emissions – Improved Fuel Efficiency – Stable Performance – Thread size: 9 x 13.8mm / 0.36 x 0.55inch (L*D) – Thread pitch: 1.25mm / 0.05inch – Thread reach: 9mm – Hexagon size: 21mm – Total Size: 55 x 21mm / 2.17 x 0.84inch (L*D) – Includes 2 spark plugs