Fits BJ40/42, BJ60 8/1980 – 8/87 & BJ70/73 85-88 – Improved Fuel Efficiency, Lower Emissions, Quicker Starts. – Single glow plug – Fine platinum tip reduces required voltage, and is extremely durable under high heat. – Fits a variety of BJ models, and is made for the 3B Diesel motor – 12V-10.5V. – Trivalent Metal Plating: Superior anti-corrosion and anti-seizing properties