Transmission Parts GM 4L70-E 4L60 4L60-E 4L65-E Other Tool
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4L60, 4L60-E, 4L65-E, 4L70-E

Forward Piston Installation Tool
Part No. 77764-INSTL

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Sonnax forward piston installation tool 77764-INSTL is used in place of GM Kent-Moore J-29883 for applications which have an input drum reinforcement sleeve installed. The Sonnax tool is made of durable high performance plastic and protects the forward piston inner seal during piston installation.

  • 4L60, 4L60-E, 4L65-E, 4L70-E Forward Piston Installation Tool 77764-INSTL

Related Sonnax Parts

Required

Recommended

4L60, 4L60-E, 4L65-E, 4L70-E Smart-Tech® Input Housing Kit 77733-06KA

4L60, 4L60-E, 4L65-E, 4L70-E

Smart-Tech® Input Housing Kit 77733-06KA

Does not include input shaft.

Required

Recommended

4L60, 4L60-E Smart-Tech® Input Housing Kit with Heavy Duty Input Shaft 77733-10KB

4L60, 4L60-E

Smart-Tech® Input Housing Kit with Heavy Duty Input Shaft 77733-10KB

For ’85-later units with 298mm converter, 30-spline input shaft. For ’82–’84 units with 27-spline input shaft, converter and stator shaft will need to be updated to ’85-later design.

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