Street and strip, the options in this kit will produce shifts from firm to wild!

High performance shifts and durability for your General Motors TH-2004R all in one box! This is a heavy duty, high performance product for professional installation. This is not a do-it-yourself product. It is for the experienced, full time, professional transmission mechanic who is already familiar with the General Motors 200-4R transmission.

Also Includes:

Calibration for multiple valve body types

New dual feed 3rd clutch circuit increases 3rd clutch holding torque by 200%

Billet 2nd servo piston increases band holding torque