Sonnax Zip Kit for (Gen 1) GM 6T40/6T45/6T50

Transtar Part Number: S144741ZAK

The Sonnax Zip Kit for (Gen 1) GM 6T40/6T45/6T50, (Part #: S144741ZAK) targets the root cause of multiple concerns by sealing critical circuit pressure losses in first generation GM valve bodies. The kit contains uniquely-designed parts to prevent the loss of pressures within the main line, clutch apply control, actuator feed, compensator feed and lockup control circuits. The kit also seals multiple circuits known to suffer from end plug leakage or poor check ball sealing. No reaming of valve body is required when installing this kit.

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