GMC Sierra 1975 Used Manual Gasoline 4WD It has Borla mufflers. Engine 350, carburetor, AC is working but needs a belt. It has a 7-piston engine. The tanks are working but need a switch valve from one tank to the other. All its gauges are working. Temperature, battery, and everything else, but the fuel gauge needs the valve. : The gearbox and everything is new, I just changed it completely. I changed the clutch disc and everything, but the gearbox is fine and has no issues. : The defects and problems it has are the power steering box and it needs floor mats. Radio is working. Inspection and registration.