4L60E/700-R4 Smart Sunshell 82-later

4L60E/700-R4 Smart Sunshell 82-later

Transmission Components

Have you ever suddenly lost reverse, 2nd and 4th gears in your street machine? You're not the only one, as the OEM sun shell assembly is a known weak point in the 700-R4/4L60E. SPX Filtran has re-tooled the sun shell and improved it by making it thicker and revised the splined area that is prone to fatigue failure in the OEM parts.

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