February 08, 2018
Fix 4L60/E sun gear shell problems with BRAINS, not just brawn. From daily jobs to extreme builds, the Sonnax SmartShell heavy duty reaction shell kit is the only way to stop spline stripping, prevent hub breakage AND eliminate planetary bearing failure. This video takes you inside the sun gear shell to see the source of common failures and how the SmartShell tackles them all.
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