HA Motorsports 4-port 'race' boost control solenoid. This is our proprietary boost control solenoid designed by our engineers for demanding applications. Manufactured to our design specs by MAC Valves, this solenoid features an anodized housing to resist corrosion, loctite on hardware to prevent vibration damage, and all sealed components to withstand temperature extremes and moisture in your engine compartment.
By using a 4 port boost control solenoid, you are able to run a vacuum line to both the top and bottom of your turbocharger's external wastegate. The result is much greater control over boost levels. Run a very light wastegate spring and fully control boost levels through the boost solenoid so that you can run low boost in 1st gear, but then ramp up boost as you accelerate for the best possible traction and acceleration. This boost control solenoid is normally closed, meaning that if it ever fails you will run off of your wastegate spring and not over-boost. Compatible with Neptune/Demon, Hondata S300, Hondata Kpro, KTuner, and Hondata FlashPro.
Throughout time, the go-to solenoid for solenoid boost control has been the MAC valves line of valves. The common MAC valves on the market work great, but often fail in short time as they are not designed for use in engine compartments. We teamed up with MAC valves to produce a boost control solenoid with the same parameters, but that could be used long term in racing and street engine compartments. Through this collaboration, we are now able to offer the HA Motorsports 'race' boost control solenoids to exceed your needs for boost control.
Fitting size = 1/4 NPT
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