Copper Resistor. Spark Plug Sold Each quantity. Spark Plug. Be sure and order as needed. 1160, 156, 3033, 306, 3722, 4012, 41-804, 425, 5359, 7502, 7534, 7902, 830, 8U2J12405BCA, B6HS, BR5HS, C79R, E6C, ER4, P4ER4, R43FS, R43XLS, R44F, RL86C, W16FSR, W8AC, X531.