Selling all 3 of these guage with gauge pod. They all work. Taking a different approach is why I'm selling. Boost gauge will need a new vacuume line as it stayed in the car. Caspers knock gauge. The fuel pressure guage is electric and comes with the sending unit and wiring. Also comes with the 3 pod guage A pillar piece. It had 2 small holes in it for the Alki Control indicator lights. 300$ everything shipped to your door. 785 806 2331, thanks