Transmission Adapter Plate for Chevy 1962-Up TH350 TH400 BOP-TO silver

Turbo-Hydramatic GM Transmission Adapter Plate
Adapts for Buick,for  Pontiac, for Cadillac Turbo 350 and Turbo 400 (TH350 or TH400) automatic transmissions to 1962-up Chevy engines (or vice versa) . Will also adapt for Pontiac 455  700R4 to '70-'77 (however will not work on the smaller belhousings supplied on the 2.5, 2.8, and 3.1 liter engines).
Includes adapter plate and bolts.
Approximately 1/8” thick.