The manifold pressure indicator is used in aircrafts to indicate the absolute pressure of the aircrafts engine intake measured in inches of mercury.
Size: 3-1/8"
Weight: 13.5oz or 386g 
Length: 75"

manifold1.jpg (62138 bytes)

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Size Model No. Description
3 1/8" MP1050-3 10-50 IN HG
3 1/8" MP1035-3 10-35 IN HG