A local transmission shop will rebuild a 4L60E for around $900 to $1,200 and a 4L80E for $1,300 to $1,800, ... a complete master kit with name-brand gaskets and performance discs.

Since the upgrade requires a complete teardown, a full rebuild with some extra performance pieces is a good idea. We used a Trans-Go reprogramming kit, a Sonnax billet Fourth gear Super Hold servo ...

A few months back we detailed the buildup and testing of our street 4L60E trans with help from ... Installing a 4L60E Transmission in an ... We added a Holley TPS kit to our 600-cfm ...

Chevy 4L60E to 4L80E Transmission Swap. Goodbye 4L60E, ... This included the complete transmission with torque converter ... a kit is available from Attitude Performance for approximately $700.

Drivers of vehicles with the GM 4L60-E transmission report being quoted between $1,700 and $1,900 for a complete rebuild. Extremely hard shifting between first and second gear Istockexstock/Getty ...