The HKS GD Clutch Max is the latest evolution of the HKS multi-plate clutch series. The GD Clutch Max features the same multi-plate design and lightweight flywheel of the GD Clutch Pro, but also features a sprung hub (on most applications) and special engagement springs (patent pending). The sprung hub absorbs engine torque which helps increase the life of the transmission, and aids in decreasing gear noise. The engagement springs are placed between two pressure plates and the centre plate.They force the clutch plates to engage one at a time. Doing so makes it easier to slip the clutch, improving street drivability and clutch control.
If you are purchasing this item, we would also recommend that you renew the clutch release bearing see here.
Also pay particular attention to the condition of the release arm as these are know to fail across the dowel holes.