Set of 4 NGK Spark Plugs Resistor RE7CL (2) & RE9BT (2) Leading/Trailing for RX8

Set of 4 NGK Spark Plugs. Includes two NGK Resistor RE7CL spark plugs. Includes two NGK Resistor RE9BT spark plugs. Designed for leading and trailing positions. Compatible with Mazda RX-8 1.3 R2 vehicle type. Features NGK Laser Iridium technology. Model numbers are RE7C-L (6700) and RE9B-T (6701). Helps improve engine performance. Contributes to smoother idle operation. Genuine replacement parts.