Autometer Z-Series Boost gauge (model number 2614). 30inHg - 0 - 30psi. Black gauge face. Still in the box, never installed.
I purchased this gauge last year from Z1 for a Z that I eventually sold before installing the gauge. Cost at Z1 was about $70. Willing to part with it for $50 plus shipping.
Please feel free to email (jpwhsv@gmail.com) or call (850-635-5334) for pictures or questions, etc.