Products Sonnax introduces Low/Reverse servo pistons for GM TH400, 4L80-E Advertisement ByAlex Crissey on March 24, 2022 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.Click Here to Read MoreAdvertisement Advertisement In this article:GM, GM 4L80-E, GM TH400, Sonnax Products: Alto introduces torque converter steels for BorgWarner, Aisin Warner applications Products: Sonnax introduces 4L60-E, 4L65-E heavy-duty remanufactured valve bodies Products: Alto introduces two bushings for GM, Toyota Products: Alto introduces new Chrysler RFE bushing kits Advertisement WEBINARS Watch a webinar for free on-demand! E-MAGAZINE Read the most recent edition of Transmission Digest. SUBSCRIBE Stay up to date by signing up for Transmission Digest newsletters.
