4L60E 700R4 HARDENED SPLINE SUNSHELL
Type: automotive transmission
Vendor: Cyclone Transmission
Description:
The sunshell, or the reaction drive shell is THE WEAKEST link in all 700R4/4L60E
This shell has hardened splines , and is stronger than an OE shell
This is a MUST even on stock applications
**plastic washer no longer included--ok to reuse original**
A74624D