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        </div><strong>UNITED STATES</strong></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; COLOR: #000000; FONT-FAMILY: Times New Roman"><strong>SECURITIES
        AND EXCHANGE COMMISSION</strong></font></div>
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        DC 20549 </strong></font>
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        8-K</strong></font><br></div>
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    <div>&#160;</div>
    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Times New Roman"><strong>CURRENT
      REPORT</strong></font></div>
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      to Section 13 or 15(d) of the Securities and Exchange Act of
      1934</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
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      of Report (Date of earliest event reported): November 15,
      2005</strong></font></div>
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      TECHNOLOGIES, INC.</strong></font></div>
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      the appropriate box below if the Form 8-K filing is intended to simultaneously
      satisfy the filing obligation of the registrant under any of the following
      provisions (SEE General Instruction A.2. below):</font></div>
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    <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Times New Roman"><strong><u>Item
      3.01. Notice of Delisting or Failure to Satisfy a Continued Listing Rule or
      Standard; Transfer of Listing.</u></strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Times New Roman">(a)
      On November 15, 2005, IMPCO Technologies, Inc. (the "Company") received a notice
      from </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
      Nasdaq Stock Market Inc. ("Nasdaq") that the Company&#8217;s securities are subject to
      potential delisting due to the fact that it is not in compliance with Nasdaq
      Marketplace Rule 4310(c)(14), which requires the filing with Nasdaq of all
      reports required to be filed with the SEC on or before the date they are
      required to be filed with the SEC, as a result of the Company's failure to
      file
</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Times New Roman">its
      Quarterly Report on Form 10-Q for the third quarter ended September 30, 2005
      (the "Form 10-Q")</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">
      by the
      prescribed filing date.</font></div>
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Times New Roman">As
      disclosed in the Company's Form 8-K filed on November 9, 2005, t</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">he
      Company is currently continuing to review its previously reported financial
      statements for the fiscal year ended December 31, 2004, and the effect thereof
      on subsequent balance sheets, as a result of errors discovered by management
      relating to, among other things, non-cash charges and adjustments for goodwill,
      investment in affiliates, and minority interest. Since certain of the restated
      information will also be included in the Form 10-Q, the Company is unable to
      complete and file its Form 10-Q by the prescribed filing date without
      unreasonable expense and effort. The Company continues to dedicate significant
      resources to finalizing its review of, and restatement to, its 2004 financials
      and subsequent balance sheets effected thereby and to the completion of the
      Form
      10-Q. Immediately following the completion of its review, the Company will
      file
      with the SEC its Form 10-Q.</font></div>
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">A
      copy of
      the Company's press release announcing receipt of the notice is attached as
      Exhibit 99.1 and incorporated herein by reference. </font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Times New Roman">(b)
      </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
      Company had previously notified Nasdaq on November 14, 2005 that the Company
      was
      not in compliance with Nasdaq Marketplace Rule 4310(c)(14). </font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><a name="id_5"/><a name="id_6"/>&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 27pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong><u>Forward-Looking
      Statements</u></strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 27pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">This
      document contains forward-looking statements within the meaning of Section
      27A
      of the Securities Act of 1933, as amended and Section 21E of the Securities
      Exchange Act of 1934, as amended, including the statement of operations and
      balance sheet captions to be included in the restatements, the periods covered
      by the restatement and the appeal of Nasdaq's delisting determination. Such
      forward-looking statements involve risks and uncertainties which may cause
      the
      actual results or objectives to be materially different from those expressed
      or
      implied by such forward-looking statements. Factors that could cause or
      contribute to such differences include, but are not limited to, completion
      of a
      review of past financial statements, the Company's financial performance, and
      other factors set forth in the Company's Annual Report on Form 10-K for the
      fiscal year ended December 31, 2004. The Company does not undertake to update
      or
      revise any of its forward-looking statements even if experience or future
      changes show that the indicated results or events will not be
      realized.</font></div>
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      9.01. Financial Statements and Exhibits.</u></strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Times New Roman">&#160;&#160;</font></div>
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                2005.</font></div>
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      duly authorized.</font></div>
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                TECHNOLOGIES, INC.</font></div>
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                November 17, 2005</font></div>
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                Thomas M. Costales</font></div>
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{"company-data": {"conformed-name": "IMPCO TECHNOLOGIES INC", "cik": "0000790708", "assigned-sic": "3714", "irs-number": "911039211", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-15143", "film-number": "051211816"}, "business-address": {"street1": "16804 GRIDLEY PLACE", "city": "CERRITOS", "state": "CA", "zip": "90701", "phone": "5628606666"}, "mail-address": {"street1": "16804 GRIDLEY PL", "city": "CERRITOS", "state": "CA", "zip": "90703"}, "former-company": {"former-conformed-name": "AIRSENSORS INC", "date-changed": "19920703"}}
UNITED STATES
SECURITIES
        AND EXCHANGE COMMISSION
Washington,
        DC 20549
FORM
        8-K
CURRENT
      REPORT
Pursuant
      to Section 13 or 15(d) of the Securities and Exchange Act of
      1934
Date
      of Report (Date of earliest event reported): November 15,
      2005
IMPCO
      TECHNOLOGIES, INC.
(Exact
      name of registrant as specified in its charter)
Delaware
(State
      or other jurisdiction of incorporation)
001-15143
91-1039211
(Commission
                File Number)
(IRS
                Employer Identification
                No.)
16804
      Gridley Place
Cerritos,
      California 90703
(Address
      of principal executive offices) (Zip Code)
(562)
      860-6666
(Registrant's
      telephone number, including area code)
(Former
      Name or Former Address, if Changed Since Last Report)
Check
      the appropriate box below if the Form 8-K filing is intended to simultaneously
      satisfy the filing obligation of the registrant under any of the following
      provisions (SEE General Instruction A.2. below):
¨
Written
                communications pursuant to Rule 425 under the Securities Act (17
                CFR
                230.425)
¨
Soliciting
                material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
                240.14a-12)
¨
Pre-commencement
                communications pursuant to Rule 14d-2(b) under the Exchange Act (17
                CFR
                240.14d-(b))
¨
Pre-commencement
                communications pursuant to Rule 13e-4(c) under the Exchange Act (17
                CFR
                240.13e-4(c))
Item
      3.01. Notice of Delisting or Failure to Satisfy a Continued Listing Rule or
      Standard; Transfer of Listing.
(a)
      On November 15, 2005, IMPCO Technologies, Inc. (the "Company") received a notice
      from
The
      Nasdaq Stock Market Inc. ("Nasdaq") that the Company's securities are subject to
      potential delisting due to the fact that it is not in compliance with Nasdaq
      Marketplace Rule 4310(c)(14), which requires the filing with Nasdaq of all
      reports required to be filed with the SEC on or before the date they are
      required to be filed with the SEC, as a result of the Company's failure to
      file
its
      Quarterly Report on Form 10-Q for the third quarter ended September 30, 2005
      (the "Form 10-Q")
by the
      prescribed filing date.
As
      disclosed in the Company's Form 8-K filed on November 9, 2005, t
he
      Company is currently continuing to review its previously reported financial
      statements for the fiscal year ended December 31, 2004, and the effect thereof
      on subsequent balance sheets, as a result of errors discovered by management
      relating to, among other things, non-cash charges and adjustments for goodwill,
      investment in affiliates, and minority interest. Since certain of the restated
      information will also be included in the Form 10-Q, the Company is unable to
      complete and file its Form 10-Q by the prescribed filing date without
      unreasonable expense and effort. The Company continues to dedicate significant
      resources to finalizing its review of, and restatement to, its 2004 financials
      and subsequent balance sheets effected thereby and to the completion of the
      Form
      10-Q. Immediately following the completion of its review, the Company will
      file
      with the SEC its Form 10-Q.
A
      copy of
      the Company's press release announcing receipt of the notice is attached as
      Exhibit 99.1 and incorporated herein by reference.
(b)
The
      Company had previously notified Nasdaq on November 14, 2005 that the Company
      was
      not in compliance with Nasdaq Marketplace Rule 4310(c)(14).
Forward-Looking
      Statements
This
      document contains forward-looking statements within the meaning of Section
      27A
      of the Securities Act of 1933, as amended and Section 21E of the Securities
      Exchange Act of 1934, as amended, including the statement of operations and
      balance sheet captions to be included in the restatements, the periods covered
      by the restatement and the appeal of Nasdaq's delisting determination. Such
      forward-looking statements involve risks and uncertainties which may cause
      the
      actual results or objectives to be materially different from those expressed
      or
      implied by such forward-looking statements. Factors that could cause or
      contribute to such differences include, but are not limited to, completion
      of a
      review of past financial statements, the Company's financial performance, and
      other factors set forth in the Company's Annual Report on Form 10-K for the
      fiscal year ended December 31, 2004. The Company does not undertake to update
      or
      revise any of its forward-looking statements even if experience or future
      changes show that the indicated results or events will not be
      realized.
Item
      9.01. Financial Statements and Exhibits.
Exhibit
Description
99.1
Press
                release of IMPCO Technologies, Inc. dated November 17,
                2005.
SIGNATURES
Pursuant
      to the requirements of the Securities Exchange Act of 1934, the Registrant
      has
      duly caused this Report to be signed on its behalf by the undersigned hereunto
      duly authorized.
IMPCO
                TECHNOLOGIES, INC.
Date:
                November 17, 2005
By:
/s/
                Thomas M. Costales
Thomas
                M. Costales
Chief
                Financial Officer and Treasurer