4L60 4L60E 4L65E 4L70E Transmission Input Drum Reinforcement Kit # 77733-51KA
For GM 4L60, 4L60-E, 4L65-E, 4L70-E Transmission. 1x Overrun Piston Outer Seal.
4L60-E 4L65-E 4L70-E Input Drum Reinforcement Kit Piston & Sleeve 77733-51KA
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). Custom overrun piston works with forward piston.
For GM 4L60E 4L65E 4L70E Transmission Input Drum Reinforcement Kit 77733-51KA US
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). The sleeve that reinforces the input drum to prevent this issue.