Sonnax introduces Low/Reverse servo pistons for GM TH400, 4L80-E

Sonnax introduces Low/Reverse servo pistons for GM TH400, 4L80-E

Sonnax has introduced new Low/Reverse servo pistons for GM applications. According to the company, the new pistons are built for GM TH400 and 4L80-E transmissions, and are made of high-strength, billet aluminum to prevent failure.

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