Part # 142-54017 F.A.S.T. LSX 78mm Throttle Body with Throttle Position Sensor. This is 1 1/2 Months Old This is a buetiful peice. I have paper work It was installed on my Camaro. Bought a new Vette. So I am returning my Camaro back to stock. Paid $500.00 will sell for $350.00 This peice looks great it is polished from Billet Aluminum. New condition, no scratches.