NGK Laser Iridium Racing Spark Plugs, Two RE7CL & Two RE9BT, Compatible with Mazda RX-8 1.3 R2;

4 New NGK Laser Iridium Racing Spark Plugs RE7CL RE9BT Mazda RX-8 1.3 R2 2 RE7C-L & 2 RE9B-T Leading & Trailing