Elite 2500 with RACE FUNCTIONS - PnP Adaptor Harness ECU Kit - Mazda RX7 FD3S-S7&8 (96-02) (4 row ECU plug) Includes M14 x 1.5 Air Temp Sensor (inc plug & pins) E1000/1500 ECU for use with Single Turbo Conversion only E2000/2500 ECU supports the Factory Twin Turbo Control