Document:

<PAGE>
                                                                 Exhibit 10.18.5

                                SECOND AMENDMENT
                                       TO
                             STOCKHOLDERS' AGREEMENT

         THIS SECOND AMENDMENT (this "Second Amendment"), dated as of December
7, 2001, is by and among EQUITY CSKA LIMITED, EQUITY CSKB LIMITED, EQUITY CSKC
LIMITED, AUTO EQUITY LIMITED, AUTO PARTS LIMITED, AUTO INVESTMENTS LIMITED, CSK
INVESTMENTS LIMITED, CSK EQUITY LIMITED, NEW CSK EQUITY LIMITED, INVESTCORP CSK
HOLDINGS L.P., CSK INTERNATIONAL LIMITED, J.P. MORGAN (SUISSE) S.A., as
successor to CHASE BANK (C.I.) NOMINEES LIMITED, SOUTH BAY LIMITED, INVESTCORP
INVESTMENT EQUITY LIMITED, BALLET LIMITED, DENARY LIMITED, GLEAM LIMITED,
HIGHLANDS LIMITED, NOBLE LIMITED, OUTRIGGER LIMITED, QUILL LIMITED, RADIAL
LIMITED, SHORELINE LIMITED and ZINNIA LIMITED, each being a corporation
organized under the laws of the Cayman Islands, CHILTERN TRUSTEES LIMITED, in
its capacity as trustee of The Carmel Trust, a trust governed by the laws of
Canada and established under a trust settlement made August 17, 1977 ("Chiltern
Trustees Limited"), Glenellen Investment Co., a Cayman Islands corporation,
Transatlantic Investments, LLC., MAYNARD JENKINS and THE JAB TRUST
(collectively, the "Stockholders"), CSK AUTO CORPORATION, a Delaware corporation
(the "Company"), and CSK AUTO, INC., an Arizona corporation and a wholly-owned
subsidiary of the Company, each of whom is a party to that certain Stockholders'
Agreement, dated as of October 30, 1996, as amended by that certain Amendment
thereto, dated as of June 12, 1998, and as further amended by that certain
letter agreement, dated December 8, 1998 (the "Stockholders' Agreement").

         WHEREAS, under the terms of the Stockholders' Agreement, the Company
has granted the Stockholders certain preemptive rights in connection with the
issuance of any additional Securities (as defined therein) by the Company;

         WHEREAS, under the terms of the Stockholders' Agreement, the Company
has granted the Stockholders certain demand and piggyback registration rights in
respect of the Registrable Stock (as defined therein) held by the Stockholders;

         WHEREAS, the Company wishes to obtain additional financing on the terms
and conditions set forth in that certain Securities Purchase Agreement (the
"Securities Purchase Agreement"), to be dated as of December 7, 2001, by and
among the Company and the investors who are party thereto (the "New Investors"),
who are currently anticipated to be Investcorp CSK Holdings L.P. and LBI Group
Inc., but may include an additional investor, with respect to the purchase of
$50,000,000 principal amount of the Company's 7% Convertible Debentures due
December 2006 (the "Debentures");

         WHEREAS, in connection with the execution and delivery of the
Securities Purchase Agreement, the Company will enter into a Registration Rights
Agreement (the "Registration Rights Agreement"), pursuant to which the Company
will grant the New Investors certain registration rights with respect to the
Registrable Securities (as defined therein) held by the New Investors;
<PAGE>
         WHEREAS, in connection with the exercise of the New Investors'
registration rights under the Registration Rights Agreement, the New Investors
will be given preferential registration rights with respect to their Registrable
Securities (as defined in the Registration Rights Agreement) as compared to the
registration rights for the Registrable Stock that the Stockholders currently
have under the Stockholders' Agreement;

         WHEREAS, the Company is required under the Securities Purchase
Agreement to obtain all consents and waivers necessary to give effect to the
registration rights it has granted to the New Investors under the Registration
Rights Agreement; and

         WHEREAS, the Company and the Stockholders wish to amend the
Stockholders' Agreement to provide, in part, for certain penalties which the
Company may incur in connection with certain of the Stockholders' exercise of
their registration rights thereunder.

         NOW, THEREFORE, in consideration of the mutual covenants and premises
contained herein and for other good and valuable consideration, the receipt and
adequacy of which are hereby acknowledged, the parties hereto agree as follows:

                                    ARTICLE I
                                   AMENDMENTS

         Section 1.1. Penalties. Section 9.1 of the Stockholders' Agreement is
hereby amended by adding the following new clause "(d)" at the end thereof:

         "(d) Following the date on which the Lehman Registration Statement (as
defined below) is declared effective, the Company shall be obligated to file any
registration statement requested pursuant to Section 9.1(a) or Section 9.3 and
to use its best efforts to cause such registration statement to be declared
effective within the time periods specified below. If the Company fails to file
such registration statement or cause that registration statement to be declared
effective within the time periods specified, the Company shall incur the
penalties specified below to any of Chiltern Trustees Limited, Glenellen
Investment Co. and Transatlantic Investments, LLC (collectively, the "Carmel
Stockholders") requesting the filing of such Registration Statement.

                  (i) If any of the Stockholders exercise their registration
         rights under this Section 9.1 or under Section 9.3 at any time prior to
         the time that the Lehman Registration Statement is declared effective
         by the Commission or at any time during the Company's four or five week
         accounting period (a "Company Accounting Month") in which the Lehman
         Registration Statement is declared effective by the Commission, the
         Company shall file a registration statement in respect of such exercise
         not later than two (2) Business Days after receipt by the Company of
         written facsimile notice (as defined below) of such exercise, but shall
         not be obligated to make such filing earlier than the second Business
         Day after the Lehman Registration Statement is declared effective;
         provided, however, that if the written facsimile notice of such
         exercise is

                                       2
<PAGE>
         provided to the Company at least three (3) Business Days prior to the
         declaration of effectiveness of the Lehman Registration Statement, such
         filing shall be made by the Company on the first Business Day following
         the declaration of effectiveness of the Lehman Registration Statement.

                  (ii) If any of the Stockholders exercise their registration
         rights under this Section 9.1 or under Section 9.3 during the Company
         Accounting Month immediately following the Company Accounting Month in
         which the Lehman Registration Statement is declared effective, the
         Company shall file a registration statement in respect of such exercise
         within five (5) Business Days after receipt by the Company of written
         facsimile notice of such exercise.

                  (iii) If any of the Stockholders exercise their registration
         rights under this Section 9.1 or under Section 9.3 after the exercise
         period specified in Section 9.1(d)(ii) above, the Company shall file a
         registration statement in respect of such exercise within thirty (30)
         calendar days after receipt by the Company of written facsimile notice
         of such exercise.

                  (iv) The Company shall use its best efforts to cause any
         registration statement filed in accordance with Sections
         9.1(d)(i)-(iii), above, to become effective within 150 calendar days
         following the date on which the Company receives written facsimile
         notice of exercise of such registration rights; provided, however, that
         the Company will, commencing with the first business day after such
         filing and continuing thereafter, diligently seek a determination by
         the Commission as to whether it will be reviewing such registration
         statement and if the Company receives notice from the Commission that
         it will not be reviewing such registration statement, the Company shall
         request effectiveness of such registration statement within one (1)
         Business Day of its receipt of such notification from the Commission.

                  (v) If a Stockholder exercises its rights under Section
         9.1(d)(i) hereof, all notifications to be provided hereunder by the
         Company will be provided by facsimile to the other Stockholders at the
         last facsimile number provided by them to the Company and the following
         time periods will apply:

                           A. Section 9.1(b) - - both time periods will change
                  from thirty (30) days to fifteen (15) hours after receipt; and

                           B. Section 9.2 - - thirty (30) days will change to
                  fifteen (15) hours after receipt.

                  (vi) If a Stockholder exercises its rights under Section
         9.1(d)(ii) hereof, all notifications to be provided hereunder by the
         Company will be provided by facsimile to the other Stockholders at the
         last facsimile number provided by them to the Company and the following
         time periods will apply:

                           A. Section 9.1(b) - - both time periods will change
                  from thirty (30) days to one (1) Business Day; and

                                       3
<PAGE>
                           B. Section 9.2 - - thirty (30) days will change to
                  one (1) Business Day.

                  (vii) If a Stockholder exercises its rights under Section
         9.1(d)(iii) hereof, all notifications to be provided hereunder will be
         provided by facsimile to the other Stockholders at the last facsimile
         number provided by them to the Company and the following time periods
         will apply:

                           A. Section 9.1(b) - - both time periods will change
                  from thirty (30) days to five (5) Business Days; and

                           B. Section 9.2 - - thirty (30) days will change to
                  five (5) Business Days.

                  (viii) If the Company fails to file a registration statement,
         if such registration statement is not declared effective by the
         Commission, or if the Company fails to make such registration statement
         available for the sale of the securities covered by such registration
         statement, in each case, within the applicable time period specified
         above, or if on any day after such registration statement has been
         declared effective by the Commission, sales of all securities requested
         to be included in such registration statement cannot be made (each of
         the foregoing, a "Registration Failure"), the Company shall , as relief
         for damages pay to each of the Carmel Stockholders seeking to exercise
         its registration rights under this Section 9.1, which shall be a number
         of shares of the Company's common stock equal to the product of (A)
         0.0005 multiplied by (B) the number of shares of the Company's common
         stock that such Carmel Stockholder specified in its written facsimile
         notice requesting registration multiplied by (C) the sum of (x) the
         number of calendar days after the applicable filing deadline that the
         registration is not filed with the Commission, plus (y) the number of
         calendar days after the effectiveness deadline in Section 9.1(d)(iv)
         until the registration statement is declared effective by the
         Commission, plus (z) the number of days after the registration
         statement is declared effective by the Commission that it is not
         available for the sale of the securities required to be included in the
         registration statement, other than in each case during a Material Event
         (as defined below). This payment shall be paid in the form of shares of
         the Company's common stock based on the average final quoted price of
         the Company's common stock on each of the five (5) Business Days
         immediately preceding the date of payment. The payment provided in this
         paragraph shall not be the exclusive remedy for a Registration Failure
         nor shall it serve as a limitation on damages recoverable for or
         equitable relief available for such a Registration Failure. The
         payments to which any Carmel Stockholder shall be entitled pursuant to
         this paragraph shall be paid on the earlier of (I) the last day of each
         calendar month during which such payments are incurred and (II) the
         third Business Day after the event or failure giving rise to the
         payments is cured. In the event the Company fails to make such payments
         in a timely manner, such payments shall bear interest at the rate of
         1.5% per month (prorated for partial months) until paid in full.

         For purposes hereof, "Lehman Registration Statement" shall mean the
registration statement to be prepared and filed pursuant to Section 2(a) of the
Securities Purchase Agreement. For purposes hereof, "Material Event" shall mean
any event that results in (i) the Registration

                                       4
<PAGE>
Statement, in the good faith opinion of the Board of Directors of the Company
and its counsel, containing an untrue statement of a material fact or omitting
to state a material fact necessary in order to make the statements therein, in
light of the circumstances under which they were made, not misleading, or (ii)
the need to delay the disclosure of material non-public information concerning
the Company, the disclosure of which at that time is not, in the good faith
opinion of the Company's Board of Directors and its counsel, in the best
interests of the Company; provided, however, that during any three hundred
sixty-five (365) day period no more than two such Material Events shall be
permitted and such Material Events shall not exceed an aggregate of forty-five
(45) days.

         For purpose hereof, "written facsimile notice" shall mean notice sent
via facsimile to the Company at 602-234-1713, attention: Martin Fraser and at
602-264-0495, attention: Lon Novatt, between 9:00 a.m. and 5:00 p.m., New York
time on a Business Day.

         For purposes hereof, "Business Day" shall mean any day other than
Saturday, Sunday or any other day on which commercial banks in the City of New
York are authorized or required by law to remain closed."

         Section 1.2. Participation of Management in "Road Shows." Section
9.4(k) of the Stockholders' Agreement is hereby amended by adding the clause
"and the Company covenants to make its executive officers available to meet the
reasonable requirements of the underwriters in presenting such "road shows" and
related presentations" in the fourth line thereof, immediately following the
phrase, "in connection therewith."

                                   ARTICLE II
                               CONSENT AND WAIVER

         Section 2.1. Consent. The Stockholders hereby consent to the execution
and delivery of the Securities Purchase Agreement, the Registration Rights
Agreement and all documents contemplated therein, the transactions contemplated
thereby, the performance by the parties thereto of their respective obligations
thereunder and the rights granted to the New Investors thereunder,
notwithstanding any provisions to the contrary contained in the Stockholders'
Agreement. To the extent that the Stockholders' rights under Article 9 of the
Stockholders' Agreement to include their Registrable Stock (as defined in the
Stockholders' Agreement) in any registration of the Company's securities
conflicts with the preferential allocation granted to the New Investors under
the Registration Rights Agreement in respect of their Registrable Securities (as
defined in the Registration Rights Agreement), the Stockholders hereby expressly
waive any such conflict and consent to the granting of such preferential
registration rights to the New Investors.

         Section 2.2. Waivers. The Stockholders hereby (i) waive the terms and
provisions of the Stockholders' Agreement to the extent that the transactions
contemplated by the Securities Purchase Agreement and the Registration Rights
Agreement do not comply with such terms and provisions, and (ii) waive any
preemptive rights or notification rights with respect thereto they may have
under Article 6 of the Stockholders' Agreement in respect of the securities
issued in connection with the transactions contemplated by the Securities
Purchase Agreement; provided,

                                       5
<PAGE>
however, that until 10:00 a.m. New York time on the later of the Business Day
prior to the closing of the Securities Purchase Agreement or the first Business
Day following the receipt of notice from the Company indicating the date of such
closing, any of the Carmel Stockholders may give the Company written facsimile
notice of its desire to participate in the purchase of Debentures under the
Securities Purchase Agreement in the amount that it would have been entitled to
subscribe for, but for the waivers contained in this Section 2.2, and shall then
have the right to become a party to the Securities Purchase Agreement as it then
exists and without further modification prior to 5:00 p.m. New York time on the
later of the Business Day prior to the closing of the Securities Purchase
Agreement or the first Business Day following the receipt of notice from the
Company indicating the date of such closing and to purchase such Debentures at
the closing of the sale of the Debentures under the Securities Purchase
Agreement.

         Section 2.3. Additional Agreements. The Stockholders also (i) waive any
piggyback registration rights they may have under the Stockholders' Agreement in
respect of the registration contemplated by Section 2(a) of the Registration
Rights Agreement, and (ii) agree not to require the filing of any registration
statement pursuant to its exercise of any demand registration rights they may
have under Article 9 of the Stockholders' Agreement, or otherwise, until after
the registration statement to be prepared pursuant to Section 2(a) of the
Registration Rights Agreement has been declared effective.

                                   ARTICLE III
                                  MISCELLANEOUS

         3.1. Counterparts. This Second Amendment may be signed in any number of
counterparts, each of which shall be an original, with the same effect as if the
signatures thereto and hereto were upon the same instrument.

         3.2. Captions. The captions herein are included for convenience of
reference only and shall not be construed in the construction or interpretation
hereof. All references to an Article or Section include all subparts thereof.

         3.3 Definitions. Initial capitalized terms used herein without
definition that are defined in the Stockholders' Agreement shall have the
meanings given to such terms therein.

           [THE REMAINDER OF THIS PAGE IS INTENTIONALLY LEFT BLANK.]

                                       6
<PAGE>
         IN WITNESS WHEREOF, the parties hereto have caused this Second
Amendment to be duly executed as of the day and year first above-written.

CSK AUTO CORPORATION

/s/ Lou B. Novatt
-------------------------------------
Name: Lou B. Novatt
Title: Senior Vice President

CSK AUTO, INC.

/s/ Lou B. Novatt
-------------------------------------
Name: Lou B. Novatt
Title: Senior Vice President

MAYNARD JENKINS

/s/ Maynard Jenkins
-------------------------------------

         SIGNATURE PAGES TO SECOND AMENDMENT TO STOCKHOLDERS' AGREEMENT

<PAGE>
EQUITY CSKA LIMITED

By: /s/
    ------------------------------
    Name: The Director Ltd.
         -------------------------
    Title: Director
          ------------------------

EQUITY CSKB LIMITED

By: /s/
    ------------------------------
    Name: The Director Ltd.
         -------------------------
    Title: Director
          ------------------------

EQUITY CSKC LIMITED

By:  /s/
    ------------------------------
    Name: The Director Ltd.
         -------------------------
    Title: Director
          ------------------------

AUTO EQUITY LIMITED

By:  /s/
    ------------------------------
    Name: Bluejay Investments Ltd.
         -------------------------
    Title: Director
          ------------------------

AUTO PARTS LIMITED

By: /s/
    -------------------------------
    Name: Cardinal Investments Ltd.
         --------------------------
    Title: Director
          -------------------------

AUTO INVESTMENTS LIMITED

By: /s/
    -------------------------------
    Name: Cardinal Investments Ltd.
         --------------------------
    Title: Director
          -------------------------

         SIGNATURE PAGES TO SECOND AMENDMENT TO STOCKHOLDERS' AGREEMENT

<PAGE>
CSK INVESTMENTS LIMITED

By: /s/
    --------------------------------------
        Name: Cardinal Investments Limited
        Title: Director

CSK EQUITY LIMITED

By: /s/
    --------------------------------------
        Name: Bluejay Investments Ltd.
        Title: Director

NEW CSK EQUITY LIMITED

By: /s/
    --------------------------------------
        Name: Bluejay Investments Ltd.
        Title: Director

INVESTCORP CSK HOLDINGS L.P.

By: /s/ Ebrahim H. Ebrahim
    --------------------------------------
        Name: Ebrahim H. Ebrahim
        Title: Director

CSK INTERNATIONAL LIMITED

By: /s/
    --------------------------------------
        Name: Cardinal Investments Limited
        Title: Director

J.P. MORGAN (SUISSE) SA, AS SUCCESSOR TO CHASE MANHATTAN
PRIVATE BANK (SWITZERLAND)

By: /s/ Maria Diz

    -------------------------------------
        Name: Maria Diz
        Title: Associate

By: /s/ Valerie O'Brien
    -------------------------------------
        Name: Valerie O'Brien
        Title: Associate

         SIGNATURE PAGES TO SECOND AMENDMENT TO STOCKHOLDERS' AGREEMENT

<PAGE>
SOUTH BAY LIMITED

By: /s/
    --------------------------------
    Name: Martonimere Services Ltd.
         ---------------------------
    Title: Director
          --------------------------

BALLET LIMITED

By: /s/ H. Richard Lukene III
    --------------------------------
    Name: H. Richard Lukene III
         ---------------------------
    Title: Authorized Representative
          --------------------------

DENARY LIMITED

By: /s/ Stephen L. Atkinson
    --------------------------------
    Name: Stephen L. Atkinson
         ---------------------------
    Title: Authorized Representative
          --------------------------

GLEAM LIMITED

By: /s/ Meredith L. Brady
    --------------------------------
    Name: Meredith L. Brady
         ---------------------------
    Title: Authorized Representative
          --------------------------

HIGHLANDS LIMITED

By: /s/ Abeer Al Shehabi
    --------------------------------
    Name: Abeer Al Shehabi
         ---------------------------
    Title: Authorized Representative
          --------------------------

NOBLE LIMITED

By: /s/ Kevin E. Murphy
    --------------------------------
    Name: Kevin E. Murphy
         ---------------------------
    Title: Authorized Representative
          --------------------------

         SIGNATURE PAGES TO SECOND AMENDMENT TO STOCKHOLDERS' AGREEMENT

<PAGE>
OUTRIGGER LIMITED

By: /s/ Thomas Kennedy
   -------------------------------------
        Name: Thomas Kennedy
             ---------------------------
        Title: Authorized Representative
              --------------------------

QUILL LIMITED

By: /s/ Mahmood Al Aradi
   -------------------------------------
        Name: Mahmood Al Aradi
             ---------------------------
        Title: Authorized Representative
              --------------------------

RADIAL LIMITED

By: /s/ Ebrahim H. Ebrahim
   -------------------------------------
        Name: Ebrahim H. Ebrahim
             ---------------------------
        Title: Authorized Representative
              --------------------------

SHORELINE LIMITED

By: /s/ Ansel Mulling
   -------------------------------------
        Name: Ansel Mulling
             ---------------------------
        Title: Authorized Representative
              --------------------------

ZINNIA LIMITED

By: /s/ P. James Abernathy
   -------------------------------------
        Name: P. James Abernathy
             ---------------------------
        Title: Authorized Representative
              --------------------------

INVESTCORP INVESTMENT EQUITY LIMITED

By: /s/
   -------------------------------------
        Name: The Director Ltd.
             ---------------------------
        Title: Director
              --------------------------

         SIGNATURE PAGES TO SECOND AMENDMENT TO STOCKHOLDERS' AGREEMENT

<PAGE>
CHILTERN TRUSTEES LIMITED, AS TRUSTEE OF CARMEL TRUST

By: /s/
    -------------------------------------
        Name: CG Malet de Carteret
        Title: Managing Director

TRANSATLANTIC INVESTMENTS, LLC.

By: /s/ Jules Trump
    -------------------------------------
        Name: Jules Trump
        Title: Co-Chairman

GLENELLEN INVESTMENT CO.

By: /s/ Robert Smith
    -------------------------------------
        Name: Robert Smith
        Title: Chairman

THE JAB TRUST

By: /s/ James G. Bazlen
    -------------------------------------
        Name: James G. Bazlen
        Title: Trustee

By: /s/
    -------------------------------------
        Name:
              ------------------
        Title:
              ------------------

         SIGNATURE PAGES TO SECOND AMENDMENT TO STOCKHOLDERS' AGREEMENT<PAGE>

                                                                   Exhibit 10.24

               AMENDMENT TO ALL CSK AUTO LEASES AT MISSOURI FALLS

         AMENDMENT TO ALL CSK AUTO LEASES AT MISSOURI FALLS (this "Amendment"),
dated as of December 6, 2001, between MISSOURI FALLS PARTNERS, an Arizona
partnership ("MFP") and MFP HOLDINGS, LLC, a Delaware limited liability company
("MFPHLLC"; MFP and MFPHLLC each being a "Landlord" and collectively are
"Landlords") each with an address c/o Missouri Falls Holdings, Inc., P.O. Box
186, East Brunswick, New Jersey 08816, and CSK AUTO, INC., an Arizona
corporation ("Tenant") with offices at 645 East Missouri Avenue, Suite 400,
Phoenix, Arizona 85012.

                              W I T N E S S E T H:

         WHEREAS, MFP and MFPHLLC, as applicable, as landlord, and Tenant, as
tenant, are currently the landlord and tenant, respectively, under the following
leases (as the same may have been amended, modified, assigned, assumed and/or
restated from time to time, each an "Existing Lease" and collectively the
"Existing Leases"): (a) Amended and Restated Lease, dated May ___, 1989, between
Missouri Falls Associates Limited Partnership, as landlord, and Northern
Automotive Corporation, as tenant, for Suites 190, 200, 300 and 400 of the
Building, as amended by (i) Agreement, dated January ___, 1990, between Missouri
Falls Associates Limited Partnership, as landlord, and Northern Automotive
Corporation, as tenant, (ii) First Amendment to Amended and Restated Lease,
dated November 22, 1991, effective January 1, 1991, between Spectrum Properties
Incorporated, as landlord, as successor to Missouri Falls Associates Limited
Partnership, and Northern Automotive Corporation, as tenant, and (iii) Amendment
to Leases, dated October 30, 1996, between Missouri Falls Associates Limited
Partnership, as landlord, and Northern Automotive Corporation, as tenant (the
"1996 Amendment"); (b) Lease, dated December 10, 1992, between Spectrum
Properties Incorporated, as landlord, and F.S.L. Administrative Services
Corporation, as tenant, for Suite 370 of the Building, as amended by the 1996
Amendment; (c) Base Year Lease, dated July 31, 1997, between MFP and Tenant for
Suite 108 of the Building, as amended by First Amendment to Lease, dated April
1, 2000, between MFP and Tenant; (d) Base Year Lease, dated April 20, 2000,
between MFP and Tenant for Suite 100 of the Building, as amended by First
Amendment to Lease, dated February 23, 2001, between MFP and Tenant, which among
other things added Suite 106 of the Building; (e) Base Year Lease, dated April
20, 2000, between MFP and Tenant for Suite 450 of the Building, as amended by
First Amendment to Lease, dated August 20, 2000, between MFP and Tenant, which
among other things added Suites 350 and 365 of the Building; and (f) Lease
Agreement, dated May 2, 1997, between MFPHLLC, as landlord, and Tenant, as
tenant, for the parking lot and improvements, if any, thereon, being
approximately one (1) block North of the Building, known by Tenant as the
"Circle K Lot", located in the City of Phoenix, County of Maricopa and State of
Arizona (the "Parking Lot" the Suites set forth above and the Parking Lot are,
collectively, the "Demised Premises");

         WHEREAS, the term under each of the Existing Leases expires on October
31, 2006; and
<PAGE>
         WHEREAS, Tenant has requested that Landlords extend the terms and
otherwise amend certain terms and provisions of the Existing Leases and
Landlords are willing to do so subject to and on the following terms and
conditions.

         NOW, THEREFORE, Landlords and Tenant, in consideration of the foregoing
premises and other good and valuable consideration, the receipt and sufficiency
of which is hereby acknowledged, hereby agree as follows:

         1. Defined Terms. All capitalized terms used and not specifically
defined in this Amendment shall have the respective meanings assigned to those
terms in the Existing Leases. Wherever reference is made in a particular
Existing Lease to "the Lease", "this Lease", "herein", "hereof" or words of
similar import, it shall be deemed to refer to such Existing Lease, as amended
by this Amendment, and as the same may hereafter be amended, modified, extended,
supplemented, renewed, replaced or restated, in accordance with the terms
thereof.

         2. Amendments to Existing Lease. Landlords and Tenant agree that the
Existing Leases, effective as of the date of this Amendment, are hereby modified
and amended as follows:

                  a. The term of each of the Existing Leases is hereby extended
         for six (6) additional years, commencing November 1, 2006 and expiring
         October 31, 2012 (each an "Extended Lease Term"), unless sooner
         terminated pursuant to the terms and provisions of the respective
         Existing Leases, as amended by this Amendment, or applicable law or in
         equity. Accordingly, wherever reference is made in the Existing Leases,
         as amended by this Amendment, to the "Term", "Lease Term" or words of
         similar import, it shall be deemed to include the original lease term
         under the respective Existing Lease and the Extended Lease Term; and

                  b. (i) From November 1, 2006 through October 31, 2011, Base
         Rent or Basic Rent, as the case may be under the respective Existing
         Leases (hereinafter "Base Rent") for the Demised Premises shall be
         adjusted to an amount equal to the Base Rent in effect on October 31,
         2006 under the respective Existing Leases multiplied by the lesser of
         (A) 115%, and (B) the Cumulative CPI Factor (as hereinafter defined)
         for the period from November 1, 2001 through October 31, 2006 (the
         "First CPI Accumulation Period"). There shall be no decrease in the
         Base Rent as a result of the adjustment contemplated by this clause;
         and

                           (ii) From November 1, 2011 through October 31, 2012,
         Base Rent for the Demised Premises shall be adjusted to an amount equal
         to the Base Rent in effect on October 31, 2011 under the respective
         Existing Leases multiplied by the lesser of (A) 115%, and (B) the
         Cumulative CPI Factor for the period from November 1, 2006 through
         October 31, 2011 (the "Second CPI Accumulation Period"). There shall be
         no decrease in the Base Rent as a result of the adjustment contemplated
         by this clause.

                                       2
<PAGE>
         As used in this subparagraph "Cumulative CPI Factor" shall mean a
         fraction, the numerator of which is the Current Number and the
         denominator of which is the Base Number. As used in this definition,
         the following capitalized terms shall mean: "Base Number" shall mean
         the Consumer Price Index for All Urban Consumers, United States City
         Average, All Items (1982-84=1 00), issued by the Bureau of Labor
         Statistics of the United States Department of Labor (hereinafter called
         the "Index") for the month immediately prior to (x) the First CPI
         Accumulation Period or (y) the Second CPI Accumulation Period, as
         applicable; and "Current Number" shall mean the latest Index published
         for the last month of (x) the First CPI Accumulation Period or (y) the
         Second CPI Accumulation Period, as applicable, by the Bureau of Labor
         Statistics or other governmental agency then publishing the Index (or
         if the Index is no longer published, the index of consumer prices
         reasonably deemed by the respective Landlord to be comparable to the
         Index), after making such adjustments as may be prescribed by the
         agency publishing the same or as otherwise so deemed to be required to
         compensate for changes subsequent to January 1, 1984 in the base, items
         included or method of compilation thereof.

         3. Governing Law; Severability. The laws of the State of Arizona shall
govern the validity, performance and enforcement of this Amendment. The
invalidity or unenforceability pursuant to applicable law of any provision of
this Amendment shall not affect or impair any other provision.

         4. Merger; No Oral Amendment. All negotiations, considerations,
representations and understandings between the parties with respect to the
amendment of the Existing Leases are incorporated in this Amendment. This
Amendment may not be amended, modified, or otherwise changed without the mutual
agreement in writing of the parties hereto.

         5. Successors and Assigns. This Amendment shall be binding upon and
inure to the benefit of the successors, legal representatives, heirs and assigns
of the parties hereto.

         6. Due Authorization; No Assignment Etc. Each of the persons executing
this Amendment on behalf of Tenant, hereby covenants and warrants that: Tenant
is a duly constituted corporation authorized to do business in the State of
Arizona; all franchise and corporate taxes of Tenant have been paid to date;
Tenant is duly authorized to execute and deliver this Amendment, and perform its
obligations under the Existing Leases, as amended by this Amendment; the
execution and delivery of this Amendment by Tenant, and the performance by
Tenant of its obligations under the Existing Leases, as amended by this
Amendment, do not violate or contravene in any manner any of the organizational
documents of, or agreements, instruments or documents entered into by, Tenant;
such persons are duly authorized to execute and deliver this Amendment on behalf
of Tenant, and no consent to the execution, delivery or performance of this
Amendment by each such person is required. Tenant represents that it has not
assigned any of the Existing Leases or sublet all or any portion of the Demised
Premises.

         7. Effectiveness. This Amendment shall become effective only upon
execution and delivery thereof by Landlords and Tenant. Except as expressly
amended by this Amendment, all

                                       3
<PAGE>
of the terms, covenants and conditions of the Existing Leases remain and shall
continue in full force and effect and are hereby ratified and confirmed.

         8. Conditional Limitation. This Amendment is conditioned upon there
existing no event which with or without the passage of time or the giving of
notice, or both, would constitute a default by Tenant under any of the Existing
Leases on the commencement of the Extended Lease Term. In the event that any
such default exists, at Landlords' option, to be exercised by written notice to
Tenant, this Amendment shall be null and void and of no further force or effect.

         9. Counterparts. This Amendment may be executed in two or more
counterpart copies of the entire document or of signature pages to the document,
each of which may be executed by one or more of the parties hereto, but all of
which, when taken together, shall constitute a single agreement binding upon all
of the parties hereto.

         IN WITNESS WHEREOF, Landlords and Tenant have executed and delivered
this Amendment as of the date first written above.

                                        LANDLORDS:

                                        MISSOURI FALLS PARTNERS
                                        By:   Missouri Falls Holdings, Inc.,
                                              as General Partner

                                              By:       /s/ Jules Trump
                                                 ------------------------------
                                                        Name:  Jules Trump
                                                        Title: Co-Chairman

                                        MFP HOLDINGS, LLC,
                                        a Delaware limited liability company

                                        By:      /s/ Jules Trump
                                           --------------------------------
                                                 Name:  Jules Trump
                                                 Title: Co-Chairman

                                        TENANT:

                                        CSK AUTO, INC.

                                        By:      /s/ Lon Novatt
                                           --------------------------------
                                                 Name:  Lon Novatt
                                                 Title: Senior Vice President

                                       4

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