It is a Amplifier removed from the IS300.
Toyota Lexus Genuine IS300 GS300 SC300 Idle Air Control Valve 89672-30020 OEM
OEM GENUINE LEXUS GS300 IS300 SC300 SUPRA THROTTLE BODY MOUNT GASKET 22271-46070
New Genuine OEM Toyota Supra Lexus GS300 IS300 SC300 Vacuum Air Hose 17342-46170
6X Genuine Denso FUEL INJECTORS FOR Toyota Supra Lexus SC300 IS300 GS300 3.0 I6
Genuine OEM Serpentine Belt for Lexus GS300 IS300 99366-D1930
16620-0W026 Toyota Supra Lexus GS300 IS300 SC300 Genuine Drive Belt Tensioner