TwinTip nickel spark plug for selected Hyundai and Kia vehicles listed in the fitment table. NBR NSP22TT is designed for XUH22TT / LZKR6B-10E type applications. Fine 1.5 mm nickel center and ground electrodes support stable spark generation and efficient everyday engine performance without precious metals. OEM-style dimensions allow direct replacement without modification. Confirmed specifications include M12 x 1.25 thread, 26.5 mm reach, 16 mm hex size, 0.8 mm electrode gap, heat range 22 on the DENSO scale / 6 on the NGK scale, and 15-20 Nm recommended tightening torque.