IDA turbo plenum for 50mm or 55 mm throttle body bores https://www.efihardware.com/products/1649/IDA-turbo-plenum-for-55-mm-throttle-body-bores
IDA Plenum Chamber for Turbo Rotary Applications.
Choose 50mm or 55mm inlet on an EFI Hardware IDA throttle bodies.
Beautifully welded and polished aluminium.
Mounting Plates can be rotated to point the intake over the engine, or away from the engine.