GM Diaphragm Competition Pressure Plate11'' Size; 12-5/8'' Bolt CircleDuctile Iron Pressure Ring2900 lbs Static PressureExc. LS1 Factory Wheel
Diaphragm pressure plates are for street performance cars and trucks. These will provide the substantially increased clamp pressure necessary for high torque muscle car or crate motor street machines operating in a lower RPM range. RAM diaphragm clutches are approved for heavy-duty street and limited competition. For full race vehicles, please select RAM Long Style clutches with heavy duty covers.