Her er det runde 52 mm instrumentet / controlleren som er i denne bilen:
https://www.ebay.com/itm/Snow-Perfor...gAAOSw-K9ZMcUk
https://www.summitracing.com/int/par...-210/overview/
Her en annen mulighet: https://www.summitracing.com/int/par...3300/overview/The Stage 2.5 uses the progressive VC-50 controller (52mm Gauge) that proportionally injects more or less water methanol according to boost pressure. Start and full points are adjustable for engagement and delivery curve to match what the engine requires.