United Instruments 6314 Manifold Fuel Pressure Gauge 10-50 inHg 0-40 PSID

United Instruments Dual Manifold Pressure Gauge PN 6121, C662036-0103

United Instruments, INC. Fuel Flow Indicator PN C662040-0103, 6060-G32

United Instruments Man/Fuel Pressure

United Instruments Manifold Pressure Gauge PN 6111

MacLeod Manifold Pressure/Fuel Flow Indicator PN 721-03-1710 Piper Arrow 99022

United Instruments Manifold Pressure Gauge PN C662026-0113, 6121

Manifold Pressure and Fuel Flow Gauge United Instruments - As Removed