I have some 80’s-90’s Caprice Classic, Impala police and emergency vehicles rpo 9c1
-First up is a “CERTIFIED CALIBRATION “ 120MPH speedometer head, straight screw in mod.
-Second is the mini auxiliary gauge cluster featuring “OIL PRESS -VOLTS-WATER TEMP”
Has complete wiring harness, but is minus the 60 psi sender. Same era Chevy truck sender is 60.
-Last is the factory LARGE engine oil cooler and cooler block adapter. No hoses seeing how I don’t have them.