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Squeeze Cast Permanent Mold (SCPM) is a premium grade aluminum casting process frequently used to produce safety critical aluminum suspension components. The emergence of SCPM as a major casting process for suspension components is relatively new in the high volume automotive market. Squeeze cast aluminum components have replaced iron/steel control arms and front knuckles in volume during the last four years. In late 1994, Delphi Chassis Systems and Casting Technology Company (A joint venture between Amcast Industrial and Izumi Industries) began a joint development program for an aluminum front knuckle conversion slated for application on mainstream passenger cars. This was the first high volume production two-cavity squeeze cast aluminum conversion program of its kind. Previously, aluminum conversions on front knuckles were limited to comparatively small volume single platform programs. This joint program is applicable to volumes in excess of 1.5 million cars annually.