For GM 4L60 4L60E 4L65E 4L70 77733-51KA Transmission Input Drum Reinforcement

For GM 4L60, 4L60-E, 4L65-E, 4L70-E Transmission. The input drum assembly is known to crack and strip out splines where the input shaft is pressed into it (where the overrun piston rides). Interchange Part Number: 77733-51KA, For GM transmission, Heavy duty, Shift.

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