Mazda 9930 62 500 RX7 RX8 core plug | Freeze | Expansion | Frost | Welch plug

Also commonly known asFreeze, Expansion, Frost or Welch plug. Similar to Mazda O.E9930 62 500. This provides the interference fit when installing the core plug. x1 Core plug. I will try my best to process and get orders get out soon as I can.