Products Sonnax highlights accumulator valve train kit Advertisement ByTransmission Digest on March 28, 2022 Sonnax has introduced an accumulator valve train kit (part number 77754-10K). According to the company, it is built to prevent sleeve wear in GM 4L60-E series transmissions.Click Here to Read MoreAdvertisement The 4L60-E series valve train has three OE size variations: CX, DX and YZ. This kit is specifically designed for the DX size with additional selective springs to cover the CX and YZ sizes. Advertisement In this article:GM 4L, 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.