Products 8L90E Coated Torque Converter Friction Ring Advertisement ByTransmission Digest on April 28, 2021 Alto Products recently introduced its GM 8L90E Coated Torque Converter Friction Ring (10 notch design). The ring features its G3 Hi-Performance material (p/n T2464G3). For more information, visit www.altousa.com.AdvertisementClick Here to Read MoreAdvertisement Advertisement In this article:8L90, Alto USA, clutch friction disc Products: GM 400, 4L80-E Case Saver Retainers Products: Professional-Grade Full Synthetic Multi-Vehicle ATF Products: GM 8L45/90 1-3-5-6-7 Accumulator Piston Kit Products: 10L1000 GPZ Friction Clutch Pack Module 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.