IMPCO Detroit Headquarters Letterhead 35715 Sterling Drive Sterling Heights, MI 48312 Tel: (810) 819-0800 Fax: (810) 979-8910 www.impcotechnologies.com AMENDMENT TO THE LEASE BETWEEN BRADEN COURT ASSOCIATES AND IMPCO TECHNOLOGIES, INC. As of October...

                                                                   Exhibit 10.17


IMPCO                                                 Detroit Headquarters
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                   AMENDMENT TO THE LEASE BETWEEN ▇▇▇▇▇▇ COURT
                     ASSOCIATES AND IMPCO TECHNOLOGIES, INC.

As of October 18, 2000, in all places where IMPCO Technologies, Inc. or IMPCO is
mentioned substitute Quantum Technologies, Inc.

IN WITNESS WHEREOF, the parties hereto have executed this Amendment by their
officers thereunto duly authorized as of the day and year first written above.


IMPCO Technologies, Inc.                           ▇▇▇▇▇▇ Court Associates

By: /s/ ▇▇▇ ▇▇▇▇▇▇▇                                BY: /s/ ▇▇▇▇ ▇▇▇▇▇▇
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    ▇▇▇ ▇▇▇▇▇▇▇

TITLE: VP & Secretary                              TITLE: Illegible
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Quantum Technologies, Inc.

BY: /s/ ▇▇▇▇ ▇▇▇▇▇▇▇
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TITLE: President
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