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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT PURSUANT
TO SECTION 13 OR 15 (d) OF THE
SECURITIES EXCHANGE ACT OF 1934
Date of report (Date of Earliest Event Reported): January 5, 2006
CSK AUTO CORPORATION
(Exact name of registrant as specified in its charter)

Delaware |  | 001-13927 |  | 86-0765798
(State or other jurisdiction of |  | (Commission File Number) |  | (I.R.S. Employer
Incorporation) |  |  |  | Identification No.)
645 E. Missouri Ave. Suite 400, Phoenix, Arizona |  | 85012
(Address of principal executive offices) |  | (Zip Code)
Registrant’s Telephone Number, Including Area Code: |  | (602) 265-9200

Check the appropriate box below if the Form 8-K is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

| o |  | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
| o |  | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
| o |  | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
| o |  | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

TABLE OF CONTENTS

| Item 7.01 Regulation FD Disclosure
| Item 9.01 Financial Statements and Exhibits
SIGNATURE
EX-99.1
EX-99.2

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Item 7.01 Regulation FD Disclosure
On January 5, 2006, CSK Auto Corporation (NYSE: CAO), the parent company of CSK Auto, Inc., issued a press release in the form attached hereto and furnished as Exhibit 99.1 announcing that the slides included in the Company’s current investor presentation package will be available on the Company’s website for five days commencing on January 11, 2006. The slide presentation is also attached hereto and furnished as Exhibit 99.2.
The information contained in this Item 7.01 and the exhibits hereto are being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, and shall not be deemed incorporated by reference in any filing with the Securities and Exchange Commission under the Securities Exchange Act of 1934 or the Securities Act of 1933, whether made before or after the date hereof and irrespective of any general incorporation language in any filings.
Item 9.01 Financial Statements and Exhibits
This information shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, and shall not be deemed incorporated by reference in any filing with the Securities and Exchange Commission under the Securities Exchange Act of 1934 or the Securities Act of 1933, whether made before or after the date hereof and irrespective of any general incorporation language in any filings.

(c) |  | The following exhibits are furnished with this Form 8-K:

Exhibit No. |  | Description
| 99.1 |  |  | Press Release dated January 5, 2006
| 99.2 |  |  | Slide Presentation

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SIGNATURE
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.

|  | CSK Auto Corporation
|  | By: /s/ RANDI V. MORRISON
|  | Randi V. Morrison
|  | Vice President, General Counsel
|  | & Secretary

DATED: January 9, 2006

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