Raybestos TH200-4R Friction Module (81-90) RCP96-052 tools but probably the most often

but probably the most often overlooked reason is a leak at the reverse abuse plug in the valve body

Installing Sonnax 4-5-6 accumulator piston kit 124740-04K eliminates leaks to restore normal shift operation and feel

Complete set of Steel Clutch Plates

3L 4 Spd FWD AWD

This awesome setup includes Direct PowerPack

Raybestos TH200-4R Friction Module (81-90) RCP96-052 tools but probably the most oftenCountry Region of Manufacture: United States Interchange Part Number: 54119B Manufacturer Part Number: RCP96 052 Other Part Number: 54119B Brand: Raybestos Manufacturer Warranty: Yes Fits for GM TH200 4R, TH325, TH325 4L Friction Clutch Pack 1981 1990 Part No. RCP96 052 Raybestos Powertrain GM TH200 4R, TH325, TH325 4L Clutch Pack Module OEM Standard. RCP96 052 features 10 Forward Direct Tan, 6 Low Reverse Tan, 2 Overrun Tan, 2 4th Clutch Tan Friction