Link ECU Boost Control Valve - 4-Port (4BCS)
4-Way Boost Control Valve
High-performance Link ECUs for Tuning & Motorsport - Plug & Play, CAN-Bus, Data Logging & more. Discover G4X & G5 models now!
- Perfect for high boost applications - allows precise control up to 120 PSI
- 4-Port Boost Control Solenoids are often used for large boost setups
- Allows boost levels of up to 6-7 times the wastegate spring pressure
- Ideal with lower wastegate spring stiffness for more precise boost control during launch
- Especially useful for high-performance vehicles with traction issues - e.g., lower boost in low gears, higher boost in high gears
- Up to 120PSI
- Compatible with all Link ECUs
- Usable with one or more wastegates
- Fast and consistent response times
- High switching forces
- MAC 45 series - robust, reliable, and durable
- Short stroke, high flow
- Balanced valve plate - insensitive to pressure fluctuations
- We recommend a PWM frequency of 25Hz for this boost control solenoid
- A detailed guide for setting up boost control can be found in the PCLink software help (free download available)
- MAC 45 Series
- Max. 120PSI
- 1/8" BSPPL
- 12VDC (5.4W), 45cm (18") long connection cables
- Includes 4x 1/8" BSP hose barbs for easy installation
- Availability: available in 3-5 days

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