Isspro boost gauge for sale
 

Isspro R17333 40psi ev2
Bought 8 months back, used for 3, got 4 months of warranty left though I doubt you'll use it.
Went with a higher psi gauge of the same type.
Includes all the new unused wiring, instructions and install hardware from the new gauge.
Will program the warning lamp to whatever boost level you like with the Isspro software and cable.
$120 shipped.

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