Sonnax SmartShell

Transtar Part Number: S74624SS

The Sonnax SmartShell is the first and only upgrade to prevent damage to the 4L60 rear planetary assembly, as well as provide a reinforced shell. This shell includes an improved and strengthened shell, bearing assembly, and custom race. If you want to get a closer look at this one-of-a-kind SmartShell, you will find a link to a video on the homepage.

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