For Sale, 1981 THM 350 C automatic transmission. It is out of a 1981 Pontiac Grand Prix with a 3.8 (231 CID) V6 engine. The 350C has a lock up torque converter clutch. It should also fit Oldsmobile Cutlass and Buick Regal G bodies with the same engine. The transmission had about 90,000 miles on it and worked good, when removed from the car. It has been sitting in my basement for the last 15 years. It comes with the torque converter. dipstick & tube, kickdown cable, modulator line, flywheel cover, and driveshaft. Sold AS IS.Asking $50.00 Cash Only. No Texts. You pick up. Weekends Only. I only check my email once a day, in the late evening, so please be patient.