Sonnax 77764-INSTL Forward Piston Installation Tool, 700R4 / 4L60E / 4L65E
Forward Piston Installation Tool
Part No. 77764-INSTL
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.