£375 for the Pectel board (in stock), £65 for your ISCV to be modified, £900 for a Maram shafted T34 (in stock), £150 for a modified throttle body (for additional airflow).
You then need someone who can live map the ECU to suit your required program for Stage III. I only know two people that can do this (with the ALS as well) and that is Ahmed Bayjoo and Paul Hills. Ahmed would be my choice.