The first is a GPZ friction clutch pack (part no. RGPZ-285) for model years 2016 and on of the 8L45.
This GPZ complete unit Clutch Pack module features (4) C1 Clutch, (3) C2 Clutch, (5) C3 Clutch, (4) C4 Clutch, (4) C5 Clutch GPZ friction clutch plates. According to the company, GPZ friction material is an upgraded material that is manufactured with a blend of high-energy fibers for ultimate stress and high temperature durability that improves performance in Camaro, Colorado, Canyon, ATS, CT6 and CTS transmission applications.
Additionally, Raybestos now offers a steel clutch pack module for the 8L45, model years 2016 and on.
This clutch pack (part no. STMGM45) module features (3) C1, (1) C1 Bottom Steel, (3) C2, (5) C3, (3) C4, (4) C5 steel clutch plates.