PRO-RACE IDA 50mm or 55mm Parallel Bore Throttle Body https://www.efihardware.com/products/726/pro-race-IDA-55mm-50mm
50mm or 55mm parallel bore IDA throttle bodies.
IDA throttle bodies feature 2 injector bosses per throat. Ram tube flanges are 70mm PCD (vacuum port for map sensor optional extra)