Document:

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                                                                     EXHIBIT 4.6

                                                                  EXECUTION COPY

                AMENDMENT No. 2 TO REGISTRATION RIGHTS AGREEMENT
                ------------------------------------------------

     THIS AMENDMENT No. 2, dated as of October 22, 2001 (this "Amendment"), is
                                                               ---------
made by and among Kindred Healthcare, Inc. (formerly named Vencor, Inc.), a
Delaware corporation (the "Company"), and the holders identified on the
                           -------
signature pages hereto (the "Holders"), with respect to the Registration Rights
                             -------
Agreement, dated as of April 20, 2001, by and among the Company and the Holders,
as amended by Amendment No. 1 to Registration Rights Agreement, dated as of
August 13, 2001, among the Company and the holders identified on the signature
pages thereto (as so amended, the "Registration Rights Agreement").  For all
                                   -----------------------------
purposes of this Amendment, capitalized terms used but not defined herein have
the meanings assigned to such terms in the Registration Rights Agreement.

                                    RECITALS

     WHEREAS, the Company and the Holders have heretofore entered into the
Registration Rights Agreement;

     WHEREAS, the Company has filed a Registration Statement on Form S-3
(Registration No. 333-68838) with the Commission on August 31, 2001 (the
"Underwritten Offering Registration Statement") with respect to an underwritten
offering of shares of its common stock (the "Underwritten Offering");

     WHEREAS, the Company has filed a Registration Statement on Form S-3
(Registration No. 333-69646) with the Commission on September 19, 2001 (the
"Shelf Registration Statement") pursuant to Section 2 of the Registration Rights
Agreement;

     WHEREAS, Ventas has notified the Company of its intent to exercise its
right under Section 4(a) of the Registration Rights Agreement to include certain
of its Registrable Securities in the Underwritten Offering Registration
Statement in order to, among other things, effect one or more Ventas Stockholder
Distributions;

     WHEREAS, for certain business reasons, the Company has requested that
Ventas waive its right under Section 4(a) of the Registration Rights Agreement
to effect a Ventas Stockholder Distribution pursuant to the Underwritten
Offering Registration Statement and instead effect any Ventas Stockholder
Distribution pursuant to the Shelf Registration Statement; and

     WHEREAS, Ventas is willing to accommodate the Company and waive its right
to effect a Ventas Stockholder Distribution pursuant to the Underwritten
Offering Registration Statement and instead effect any Ventas Stockholder
Distribution pursuant to the Shelf Registration Statement, as long as (i) the
Company and the other Holders waive certain provisions of the Registration
Rights Agreement so as to permit Ventas and Ventas, Inc. to effect a Ventas
Stockholder Distribution pursuant to the Shelf Registration Statement during the
Black-out Period (as defined below), (ii) any such Ventas Stockholder
Distribution is permissible under any
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underwriting agreement entered into by the Company, the underwriters for the
Underwritten Offering and the selling stockholders electing to sell Registrable
Securities in the Underwritten Offering (the "Underwriting Agreement") and (iii)
the Company takes all necessary action to cause the Shelf Registration Statement
and the Underwritten Offering Registration Statement to be simultaneously
declared effective by the Commission;

     NOW, THEREFORE, for good and valuable consideration, the receipt and
adequacy of which are hereby acknowledged, it is agreed as follows:

                                   ARTICLE I

                                    WAIVER
                                    ------

Section 1.1.  Waiver.  The parties hereby agree that, if the black-out
              ------
provisions set forth in Section 5(a)(i) or (ii) of the Registration Rights
Agreement become operative due to the Underwritten Offering, such provisions
shall be waived solely to the extent they become so operative and solely to the
extent set forth in the Lock-Up Agreement to be executed by Ventas in favor of
the underwriters party to the Underwriting Agreement in connection with the
Underwritten Offering (the "Lock-Up Agreement"), in order to permit Ventas and
Ventas, Inc. to effect one or more Ventas Stockholder Distributions pursuant to
the Shelf Registration Statement; provided, however, that, during the black-out
period provided for in the Lock-Up Agreement (the "Black-out Period"), Ventas
and Ventas, Inc. may only effect a Ventas Stockholder Distribution in accordance
with the terms thereof.  The parties expressly agree that nothing contained
herein shall be deemed to limit the right of Ventas and Ventas, Inc. to effect a
Ventas Stockholder Distribution pursuant to the Shelf Registration Statement in
accordance with the terms of the Registration Rights Agreement after the
expiration of the Black-out Period.

                                  ARTICLE II

                          REPRESENTATION AND WARRANTY
                          ---------------------------

     Section 2.1.  Representation of the Holders.  Each Holder represents to the
                   -----------------------------
Company and each other Holder that it is a party to the Registration Rights
Agreement and has not transferred or assigned any of its rights thereunder to
any other Person.

                                  ARTICLE III

                                   COVENANTS
                                   ---------

     Section 3.1.  Effectiveness of Registration Statements.  The Company shall
                   ----------------------------------------
cause the Shelf Registration Statement and the Underwritten Offering
Registration Statement to be simultaneously declared effective by the
Commission.

                                  ARTICLE IV

                                 MISCELLANEOUS
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                                       2
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     Section 4.1.  Regarding the Company and the Holders.  All of the provisions
                   -------------------------------------
of the Registration Rights Agreement with respect to the rights and duties of
the Company and the Holders shall be applicable in respect hereof as fully and
with like effect as if set forth herein in full.

     Section 4.2.  Continuing Effect.  Except as expressly amended by this
                   -----------------
Amendment, the Registration Rights Agreement shall remain in full force and
effect in accordance with its terms.

     Section 4.3.  References to Registration Rights Agreement.  All references
                   -------------------------------------------
to the Registration Rights Agreement in the Registration Rights Agreement or in
any other document executed or delivered in connection therewith shall, from and
after the effectiveness of this Amendment, be deemed to be references to the
Registration Rights Agreement as amended hereby, unless the context expressly
requires otherwise.

     Section 4.4.  Governing Law.  THIS AMENDMENT SHALL BE GOVERNED BY AND
                   -------------
CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE JURISDICTION WHICH GOVERN THE
REGISTRATION RIGHTS AGREEMENT AND ITS CONSTRUCTION.

     Section 4.5.  Counterparts.  This Amendment may be executed in any number
                   ------------
of counterparts, each of which so executed shall be deemed to be an original,
but all such counterparts shall together constitute but one and the same
instrument.

                           [Signature Pages Follow]

                                       3
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          IN WITNESS WHEREOF, the parties hereto have caused this Amendment to
be duly executed as of the date first written above.

                                    KINDRED HEALTHCARE, INC.

                                    By: /s/ Richard A. Lechleiter
                                       --------------------------------
                                       Name:  Richard A. Lechleiter
                                       Title:  Vice President, Finance

                                    HOLDERS:

                                    THE VENTAS STOCKHOLDER TRUST

                                    By: The Bank of New York, not in its
                                        individual capacity, but solely as
                                        trustee

                                    By: /s/ MaryBeth Lewicki
                                       --------------------------------
                                       Name: MaryBeth Lewicki
                                       Title:  Vice President

                                    VENTAS REALTY, LIMITED PARTNERSHIP

                                    By:  Ventas, Inc., its General Partner

                                    By: /s/ T. Richard Riney
                                       --------------------------------
                                       Name:   T. Richard Riney
                                       Title:  Executive Vice President and
                                               General Counsel

                                       4
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                                    FRANKLIN MUTUAL ADVISERS, LLC

                                    By: /s/ Bradley Takahashi
                                       --------------------------------
                                       Name:  Bradley Takahashi
                                       Title:  Assistant Vice President

                                    APPALOOSA MANAGEMENT L.P.,
                                    on behalf of certain accounts for which it
                                    acts as investment advisor

                                    By: /s/ James E. Bolin
                                       --------------------------------
                                       Name:  James E. Bolin
                                       Title:  Vice President

                                    GOLDMAN SACHS & CO.

                                    By: /s/ Stephen P. Hickey
                                       --------------------------------
                                       Name:  Stephen P. Hickey
                                       Title:  Authorized Signatory

                                       5Jeffery Halbirt
                               6859 W. Paso Trail
                       Peoria, AZ 85382 Tel. 623-376-0348

     This  agreement is entered into by and between Future Carz,  Inc.  ("Future
Carz"),  a corporation  duly organized and operating under the laws of the State
of Nevada,  whose principal place of business is 8930 East Raintree Drive, Suite
100,  Scottsdale,  AZ 85260,  and Jeffery  Halbirt  ("Halbirt"),  whose business
address is 6859 W. Paso Trail, Peoria, AZ 85382.

     In consideration of the mutual promises, covenants and representations made
herein, the parties agree as follows:

     WHEREAS,  Future Carz is a corporation  duly organized and operating  under
the laws of the State of Nevada; and

     WHEREAS,  Future Carz is engaged in the lawful  business of  expanding  its
business holding by attempting to acquire diversified business entities that fit
into  its  business  plan  and  goals,  as well as enter  into  agreements  with
diversified  business  entities for the  purposes of expanding  its auto leasing
business; and

     WHEREAS,  Future  Carz  desires  to  establish  a  professional  Consulting
relationship  with Halbirt for the express purpose of having Halbirt endeavor to
use his professional contacts,  expertise, and efforts towards presenting Future
Carz, with potential business entities for acquisition by Future Carz or for the
purposes of allowing entities to joint venture its automobile  leasing business;
and

     WHEREAS, Halbirt is desirous of formalizing a contractual relationship with
Future  Carz for the  express  purpose of locating  prospective  and  acceptable
business entities for possible  acquisition by Future Carz or for Future Carz to
enter into  agreements  with other business  entities for the express purpose of
expanding its auto leasing business;

     THUS, THE PARTIES AGREE AS FOLLOWS:

                                   ARTICLE ONE
           IDENTIFICATION OF THE PARTIES TO BE BOUND BY THIS AGREEMENT

     Section  1.01 The  parties to this  agreement  are Future  Carz,  Inc.  and
Jeffery Halbirt.

     Section 1.02 For the purposes of this  agreement,  the parties'  respective
address are:

                                       -1-

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Future Carz, Inc.
8930 East Raintree Drive, Suite 100
Scottsdale, Arizona 85260

Jeffery Halbirt
6859 West Paso Trail
Peoria, Arizona 85382

     Section  1.03  Any  formal  notices  or  communications  needed  to be made
pursuant to this agreement,  with the exception of typical daily  communications
necessary, in order to fulfill the services which are the subject matter of this
agreement,  must be made to the respective parties at the addresses indicated in
Section 1.02.

                                   ARTICLE TWO
                           THE TERM OF THIS AGREEMENT

     Section 2.01 This agreement,  and the covenants and obligations  assumed by
the parties hereunder, shall last for a specific term of twelve (12) months from
the date this agreement is signed by the parties  hereto.  If the parties hereto
do not sign this  agreement on the same day,  then the term shall be twelve (12)
months from the latter date this agreement is signed by either party.

     Section 2.02 After this agreement becomes effective by both parties signing
it, and after the  six-month  term  expires,  this  agreement  may be renewed by
another  twelve (12) month term,  as long as both parties are amenable to such a
renewal.  This renewal shall be accomplished by the parties signing a "letter of
renewal" at least thirty (30) days before the  original,  or pending,  six month
term expires.  This letter of renewal need only refer to this agreement and this
subsection,   and  essentially  state  that  both  parties  agree  to  a  single
twelve-month extension.

     Both parties must sign the  renewal.  Once signed,  the exact terms of this
contract will be extended another twelve months, along with the same obligations
and  considerations  on each party's  behalf.  That is, Halbirt will continue to
provide the same  services  provided by herein to Future  Carz,  and Future Carz
will compensate  Halbirt  similarly as provided for in the first of then pending
twelve month term.

     Section 2.03 If the parties do decide to renew the terms of this  agreement
for a successive twelve (12) month term, all of the terms, provisions, covenants
and  obligations of this agreement will be renewed,  unless  otherwise  modified
pursuant to the express agreement of the parties herein.

                                       -2-

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                                  ARTICLE THREE

     If, after the original  twelve (12) month term of this  agreement,  neither
Future Carz or Halbirt  desire to continue on with the provisions  hereof,  then
the  declining  party shall  communicate  this fact to the other at least thirty
(30) days before the expiration of time.

     Section 3.02 If,  however,  either party  commits a material  breach of the
covenants and obligations  assumed  hereunder,  then for cause the non-breaching
party may choose to terminate  this  agreement,  and stop either  performing the
services called for herein, or cease paying the consideration called for in this
agreement.  A material breach of this agreement will mean either party's failure
to live up to the covenants and obligations  assumed hereunder.  If either party
believes  that a material  breach of this  agreement  has, or is about to occur,
then the ostensible  non-breaching  party shall  communicate in writing with the
breaching  party and attempt to resolve any  dispute.  If the dispute  cannot be
resolved,  then the  parties  agree to submit the  dispute to  arbitration.  The
parties agree that the arbitration shall be non-binding and shall be governed by
the rules set forth in the  Arizona  Code of Civil  Procedure  applying to Civil
Arbitration.  The parties agree that if arbitration  or other legal  proceedings
need to be initiated to enforce the terms or provisions of this  agreement,  the
prevailing  party,  as the party is  determined  by an  arbitrator or a court of
competent jurisdiction, shall have the right to recover all costs and reasonable
attorneys fees.

                                  ARTICLE FOUR
                COVENANTS UNDERTAKEN BY THE PARTIES-SERVICES AND
                             CONSIDERATION THEREFORE

     Section 4.01 Halbirt  agrees to use his best efforts to locate  prospective
business entities for possible  acquisition by Future Carz,  Halbirt also agrees
to use his best efforts to locate  business  entities that Future Carz may enter
into marketing  agreements with for the express purpose of expanding its leasing
business.  The parties  recognize  that Halbirt has expertise  and  professional
relationships that may produce such potential business  acquisitions or contacts
for the benefit of Future Carz.

     The parties  hereto  affirm that this is a "best  efforts"  agreement  that
obligates  Halbirt to use all of his  expertise and time in this best efforts to
actually  locate any and all  prospective  businesses  that  Halbirt may have an
interest  in either  acquiring  outright,  merge  with,  or form other  business
relations  with that would benefit  Future Carz,  including:  Partnerships  both
limited and general, joint ventures and professional associations.

     Section  4.02 It is  recognized  and affirmed by the parties  hereto,  that
Halbirt will not compete with Future Carz during the term of this agreement, and
will not  directly or  indirectly  seek to consult with other  related  business
entities, whether corporate,

                                       -3-

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partnership or sole proprietorship, that have an interest in, or for the purpose
of acquiring,  as expressed  herein,  businesses  for potential  acquisition  or
marketing arrangements.

     Section 4.03 Halbirt agrees to  communicate  regularly with Future Carz, or
its designated  agent, and to keep Future Carz, fully informed on his activities
with respect to the obligations assumed herein.

     Section 4.04 As compensation  for the faithful  services  assumed herein by
Halbirt,  Future Carz agrees to pay Halbirt  750,000  shares of common  stock of
Future Carz,  Inc.  (OTCBB Symbol FCZI).  It is  specifically  agreed to, by the
parties  hereto,  that the  subject  securities  paid as  consideration  for the
services  rendered  hereunder  shall be registered as soon as possible after the
execution of this agreement with the Securities and Exchange Commission.

     Section 4.05 As additional consideration for the services assumed hereunder
Future Carz agrees to pay Halbirt  200,000  shares of  restricted  securities of
Future Carz,  said  securities to be  restricted  and subject to Rule 144 of the
Securities Act of 1933.

                                  ARTICLE FIVE
                                  MODIFICATION

     Section 5.01 This agreement,  and the terms  hereunder,  cannot be modified
unless in writing  and  signed by both  parties to the  agreement.  The  parties
acknowledge that this agreement is the final expression of their agreement,  and
merges  any and all  previous  oral and  written  agreements,  negotiations  and
communications.

                                   ARTICLE SIX
                                  GOVERNING LAW

     Section 6.01 This agreement  shall be governed and  interpreted by the laws
of the State of Arizona.

                                  ARTICLE SEVEN
                                EFFECT OF WAIVER

     Section 7.01 The waiver by either party of any particular clause of part of
this agreement,  or any obligation  hereunder,  shall not constitute a waiver of
any or all of the remaining portions of this agreement.  Likewise, the waiver by
either party of any specific  remedy,  or part thereof,  provided for under this
agreement,  shall not  limit  the  waiving  party's  right to any  other  remedy
provided for under the laws of the State of Arizona.

                                       -4-

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                                  ARTICLE EIGHT
                          AUTHORITY TO BIND PRINCIPALS

     Section  8.01 Each  party  hereto  acknowledges  that  they  have  complete
authority  to  enter  into  this  agreement   either   individually,   or  in  a
representative or agency capacity with a corporate, or other business entity.

                                  ARTICLE NINE
                           NO EMPLOYMENT RELATIONSHIP

     Section 9.01  Throughout  the term of this  agreement,  and any  subsequent
renewals,  it is expressly understood and agreed to that at no time will Halbirt
become an employee of Future Carz.  Rather,  in performing the services for hire
hereunder,  Halbirt will remain an independent contractor.  Halbirt agrees to be
responsible for any and all taxes payable and due hereunder as arising from this
agreement.  Should  Halbirt  engage the services of any other person in order to
fulfill the terms of this  agreement,  then it is agreed to that Halbirt will be
solely  responsible  to pay that person or persons,  and pay any and all legally
required taxes,  including workers  compensation  insurance,  for that person or
persons.  Halbirt  agrees to further  defend and hold Future Carz  harmless from
engaging  any other  person or persons  in the  fulfillment  of the  obligations
assumed  herein.  Such  agreement to defend and hold harmless  shall include all
costs and reasonable attorney's fees.

                                   ARTICLE TEN
                            CONFIDENTIAL INFORMATION

     Section 10.01 The parties understand and acknowledge that each of them (and
their respective  employees,  consultants and subcontractors) may have disclosed
to it, in  connection  with the rendition of services and  performance  of their
obligations of this agreement,  confidential  or proprietary  information of the
other party.  The parties  hereto agree that said  confidential  or  proprietary
information  shall be held strictly  confidential,  and that should legal action
become necessary to enforce this clause,  the non-breaching  party shall recover
costs and attorney's fees as expressed herein.

                                 ARTICLE ELEVEN
                                   ASSIGNMENT

     Section 11.01 Neither  party hereto may assign this  Agreement  without the
prior  written  consent  of the other  party  signed by such other  party'  duly
authorized  representative,  which  consent may be given or withheld in the sole
discretion of the applicable party whose consent is requested.

                                       -5-

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                                 ARTICLE TWELVE
                                     NOTICES

     Section 12.01 All notices in connection with this Agreement shall be deemed
given as of the day they are  deposited in the U.S.  Mail for delivery to either
party at the addresses listed in Article One above.

Dated this _____ day of ________, 2001 in Scottsdale, Arizona.

-------------------------------                   ------------------------------
Future Carz, Inc,                                 Jeffery Halbirt
Edward Heisler
President & COO

                                       -6-

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