Mr. Gasket Automatic Transmission Oil Pan Features: Stock Depth Polished Height: 3.00 Width: 13.75 Length: 14.15 Weight: 4.45 lbs Fitment: 1981/Pontiac/Firebird/Trans Am Coupe 2-Door/5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated::Trans Mfr Code = THM350^^1981/Pontiac/Firebird/Trans Am Coupe 2-Door/4.9L 301Cu. In. V8 GAS OHV Turbocharged::Trans Mfr Code = THM350^^1981/Pontiac/Firebird/Trans Am Coupe 2-Door/4.9L 301Cu. In. V8 GAS OHV Naturally Aspirated::Trans Mfr Code = THM350^^1981/Pontiac/Firebird/Formula Coupe 2-Door/5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated::Trans Mfr Code = THM350^^1981/Pontiac/Firebird/Formula Coupe 2-Door/4.9L 301Cu. In. V8 GAS OHV Turbocharged::Trans Mfr Code = THM350^^1981/Pontiac/Firebird/Formula Coupe 2-Door/4.9L 301Cu. In. V8 GAS OHV Naturally Aspirated::Trans Mfr Code = THM350^^1981/Pontiac/Firebird/Formula Coupe 2-Door...