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Sonnax Transmission Company

Sonnax Input Drum Reinforcement Kits

5.0 out of 5 stars 2 Customer Reviews

GM 4L60, 4L60-E, 4L65-E. and 4L70-E input drum assemblies are known to crack where the input shaft is pressed into it (where the overrun clutch rides). Sonnax input drum reinforcement kits include a hardened steel sleeve that reinforces the input drum to prevent this failure. They also include a re-worked overrun piston inner seal, overrun piston, piston outer seal, and piston inner seal. No machining is required to use these kits.

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Sonnax Input Drum Reinforcement Kits 77733-02K

Sonnax Input Drum Reinforcement Kits 77733-02K

Sonnax Input Drum Reinforcement Kits 77733-02K

Input Drum Reinforcement Kit, 4L60, 700R4, 4L60E, 4L65E, 4L70E, Kit

Part Number: SOX-77733-02K

5.0 out of 5 stars ( 2 )

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