This is a DENSO U20FSR-U spark plug. It features an earthed electrode and a nickel middle electrode. The thread size is M10x1.0 with a thread length of 12.7 mm and a diameter of 10 mm. The connector type is Thread M4, and the spanner size is 16 mm. The tightening torque is 12 Nm, and the weight is 28.5g. This spark plug is suitable for Japanese, Korean, and derivative vehicles, offering original parts or equivalent quality. The electrode gap to be set is 0.7 mm or 0.6 mm. It is a new product and belongs to the Nickel product line.