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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 KUrryHzfpvEw7NGUyjiDNQ==

<SEC-DOCUMENT>0001181431-06-043111.txt : 20060721
<SEC-HEADER>0001181431-06-043111.hdr.sgml : 20060721
<ACCEPTANCE-DATETIME>20060721174500
ACCESSION NUMBER:		0001181431-06-043111
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060425
FILED AS OF DATE:		20060721
DATE AS OF CHANGE:		20060721

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IMPCO TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0000790708
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				911039211
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3030 SOUTH SUSAN STREET
		CITY:			SANTA ANA
		STATE:			CA
		ZIP:			92704-6435
		BUSINESS PHONE:		714-656-1200

	MAIL ADDRESS:	
		STREET 1:		3030 SOUTH SUSAN STREET
		CITY:			SANTA ANA
		STATE:			CA
		ZIP:			92704-6435

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AIRSENSORS INC
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KING DOUGLAS R
		CENTRAL INDEX KEY:			0001245290

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15143
		FILM NUMBER:		06975169

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		4082797961

	MAIL ADDRESS:	
		STREET 1:		465 EL CENTRO ROAD
		CITY:			HILLSBOROUGH
		STATE:			CA
		ZIP:			94010
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd124919.xml
<DESCRIPTION>FORM 4 FOR RESTRICTED STOCK GRANT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-04-25</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000790708</issuerCik>
        <issuerName>IMPCO TECHNOLOGIES INC</issuerName>
        <issuerTradingSymbol>IMCO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001245290</rptOwnerCik>
            <rptOwnerName>KING DOUGLAS R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O IMPCO TECHNOLOGIES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>3030 SOUTH SUSAN STREET</rptOwnerStreet2>
            <rptOwnerCity>SANTA ANA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92704</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2006-04-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2801</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>.001</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2801</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">In accordance with the issuer's director compensation policy, these shares represent a grant of restricted stock on the day following Mr. King's initial appointment to the issuer's Board of Directors.  Restricted stock vests in equal installments over three years.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Kara Beal, attorney-in-fact</signatureName>
        <signatureDate>2006-07-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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