That would be a discontinued ecu now so not availabble new but any of the older gasper/xicoy fadecs will work as well like the AU504 or AU605 probably the later AU10 can also be configured, lots of turbine brands use Xicoy ecu, kingtech jet central so other suppliers repair places might have one knocking about try turbine solutions in uk he does repairs on wren or email gasper and ask does he have any old ones lying about