Boost Pressure Switch - fully adjustable.
This boost switch is produced by Sub Zero water injection systems, all Sub Zero parts come with a one year warranty and are designed from the floor up as a performance item intended for automotive environments.
Please find our optional hose adapter here!
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This is a fully adjustable boost pressure switch from 3-30 psi. These are ideal to activate water/meth or nitrous etc at certain boost pressures. You could even run two and have a dual stage set up.