-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 HHiXKueaIVpraYSGiaF0yQLafsaf8gQ03QHRjMflQMj6LOAItMHnqPTO9JIevufP
 88Ht/Y3pA8wmLbwVd9iutQ==

<SEC-DOCUMENT>0000909518-06-000692.txt : 20060717
<SEC-HEADER>0000909518-06-000692.hdr.sgml : 20060717
<ACCEPTANCE-DATETIME>20060717170411
ACCESSION NUMBER:		0000909518-06-000692
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20060717
DATE AS OF CHANGE:		20060717
GROUP MEMBERS:		BLUE HARBOR GP, LLC
GROUP MEMBERS:		BLUE HARBOR HOLDINGS, LLC
GROUP MEMBERS:		BLUE HARBOR INSTITUTIONAL PARTNERS MASTER FUND, LP
GROUP MEMBERS:		BLUE HARBOR STRATEGIC VALUE PARTNERS MASTER FUND, LP
GROUP MEMBERS:		CLIFTON S. ROBBINS

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CSK AUTO CORP
		CENTRAL INDEX KEY:			0001051848
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-AUTO & HOME SUPPLY STORES [5531]
		IRS NUMBER:				860765798
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0131

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-55039
		FILM NUMBER:		06965444

	BUSINESS ADDRESS:	
		STREET 1:		645 E MISSOURI AVENUE
		CITY:			PHOENIX
		STATE:			AZ
		ZIP:			85012
		BUSINESS PHONE:		6022659200

	MAIL ADDRESS:	
		STREET 1:		645 E MISSOURI AVENUE
		CITY:			PHOENIX
		STATE:			AZ
		ZIP:			85012

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Blue Harbour Group, LP
		CENTRAL INDEX KEY:			0001325256
		IRS NUMBER:				562457376
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		240 GREENWICH AVENUE
		STREET 2:		3RD FLOOR
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		203-422-6560

	MAIL ADDRESS:	
		STREET 1:		240 GREENWICH AVENUE
		STREET 2:		3RD FLOOR
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>mv7-17_13da1.txt
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>mv7-17_ex1.txt
</DOCUMENT>
</SUBMISSION>