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use you old one as decoration
These are genuine USA remanufactured GM original units
The instructions are based on a LHD car but will give you some insight etc
These are NOT older tooling run outs - if that is what you want
as GM made them
IAC: Idle Air Control Valve - 85-91 V8 use you old one asIdle Air Control Valve for the 1985 91 TPI (TUNED PORT INJECTION) GM V8 & Tune Port Injected (F & 8 code V8). FITS Camaro, Firebird TA & Corvette Plus others. Also known as Idle Motor valve. The Air Idle Control Motor (ICM) regulates the air at idle through the throttle body. The cars computer controls the amount of air going into the engine by controlling the ICM. These replace the function of the idle speed screw used on the older carburetors which