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
Letterhead                                            00000 Xxxxxxxx Xxxxx
                                                      Xxxxxxxx Xxxxxxx, XX 00000
                                                      Tel:  (000) 000-0000
                                                      Fax:  (000) 000-0000
                                                      xxx.xxxxxxxxxxxxxxxxx.xxx


                   AMENDMENT TO THE LEASE BETWEEN XXXXXX 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.                           Xxxxxx Court Associates

By: /s/ Xxx Xxxxxxx                                BY: /s/ Xxxx Xxxxxx
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    Xxx Xxxxxxx

TITLE: VP & Secretary                              TITLE: Illegible
                                                          --------------


Quantum Technologies, Inc.

BY: /s/ Xxxx Xxxxxxx
    ------------------------


TITLE: President
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