Th425 performance. I'm currently looking at a th425 transmission for my 1978 Toronado. . The THM425 was designed for Oldsmobile Toronado and Cadillac Eldorado. Turbo-Hydramatic 425 (TH425 or THM 425, [1] later 325) was an automatic transmission developed and produced by General Motors. (cadillac thm425 th425 solenoids sensors) Oregon Performance Transmission is the best place on the web to buy transmission parts! We not only carry a wide range of performance minded transmission parts for your car, but we also provide the best customer service; before and after the sale. Application specifics: This transmission master rebuild box kit comes with the following rebuild parts: The overhaul gasket set included in this overhaul banner box kit is the highest quality available. Oregon Performance Transmission is the best place on the web to buy transmission parts! We not only carry a wide range of performance minded transmission parts for your car, but we also provide the best customer service; before and after the sale. TH425 at Oregon Performance Transmssion. 425 transmission overhaul kits,TH425 transmission rebuilding kits,TH425 transmission parts,Transgo performance shift kit Rebuilt THM425 Transmission Rugged and Reliable - T he Turbo-Hydramatic 425 was an automatic transmission developed and produced by General Motors from 1966 to 1978. Search for TH425 frictions, steels, filters, gaskets and more TH425 rebuild kit parts to deliver performance and reliability on your next transmission rebuild. mrxdwr ujujjsy xucb dc uxdeh q1i llvfu 973 cx g7iw