700R4/4L60E The Monster Shell
The sunshell, or the reaction drive shell is the biggest weak link in all 700-R4/4L60E transmissions.
This shell is hardened, and made of thicker steel than a stock shell.
We recommend installing this shell in stock and performance units, due to its high failure rate.
**Will work on both washer and bearing style applications!**
Includes new plastic thrust washer
Ships FedEx 2Day!
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