Approval Details

Valid E.O.


This Executive Order approved the specified parts on on January 26, 1999.
As of Thursday, October 17th, 2019 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsModification
043600, 043610, 043640, 043650, General Motors 1993 and older vehicles equipped with a small block V8 enginePart No., Material, Description 043600, Cast Iron, SB Chevy 76cc 11/32" Guides 043610, Cast Iron, SB Chevy 67cc 11/32" Guides 043640, Cast Iron, SB Chevy 76cc 11/32" Guides 043650, Cast Iron, SB Chevy 67cc 11/32" Guides 042660B, Cast Iron, 67cc Straight Plug Bare Casting 042670B, Cast Iron, 76cc Straight Plug Bare Casting 011150B, Cast Iron, 64cc Angle Plug Bare Casting 011250B, Cast Iron, 64cc Straight Plug Bare Casting 012150B, Cast Iron, 72cc Angle Plug Bare Casting 012250B, Cast Iron, 72cc Straight Plug Bare Casting

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-343-2
  • Executive Order 343-2 / D343-2
  • ARB # D-343-2
  • Executive Order No: D-343-2
  • C.A.R.B. No. D-343-2
  • Resolution D-343-2
For Free CARB Executive Order Status verification, email an image of the device Executive Order label as well as the Year/Make/Model and Test Group # of the vehicle to [email protected]

Download: Executive Order D-343-2 PDF

D-343-2 Document:

                                                                                     (Page 1 of 2)

                                           State of California
                                       AIR RESOURCES BOARD

                                       EXECUTIVE ORDER D—343—2
                                Relating to Exemptions Under Section 27156
                                             of the V ehicle Code

                                           World Products, Inc.
                                              Cylinder Heads

Pursuant to the authority vested in the Air Resources Board by Section 27156 of the Vehicle Code; and

Pursuant to the authority vested in the undersigned by Section 39515 and Section 39516 of the Health and
Safety Code and Executive Order G—45—9;

IT IS ORDERED AND RESOLVED: That the installation of the Cylinder Heads, manufactured and
marketed by World Products, Inc., 35330 Stanley, Sterling Heights, Michigan 48312 has been found not to
reduce the effectiveness of the applicable vehicle pollution control system and, therefore, is exempt from
the prohibitions of Section 27156 of the Vehicle Code for 1993 and older General Motors vehicles
equipped with a small block V8 engine.

Part No.            Material                   Description

043600              Cast Iron                  SB   Chevy   76cc   11/32"   Guides
043610              Cast Iron                  SB   Chevy   67cc   11/32"   Guides
043640              Cast Iron                  SB   Chevy   76cc   11/32"   Guides
043650              Cast Iron                  SB   Chevy   67cc   11/32"   Guides

042660B             Cast Iron                  67cc Straight Plug Bare Casting
042670B             Cast Iron                  76cc Straight Plug Bare Casting

011150B             Cast Iron                  64ce   Angle Plug Bare Casting
011250B             Cast Iron                  64ce   Straight Plug Bare Casting
012150B             Cast Iron                  72¢c   Angle Plug Bare Casting
012250B             Cast Iron                  72cc   Straight Plug Bare Casting

This Executive Order is valid provided that the installation instructions for the Cylinder Heads will not
recommend tuning the vehicle to specifications different from those of the vehicle manufacturer.

Changes made to the design or operating conditions of the Cylinder Heads, as exempt by the Air Resources
Board, which adversely affect the performance of the vehicie‘s pollution control system shall invalidate this
Executive Order.

Marketing of the Cylinder Heads using any identification other than that shown in this Executive Order or
marketing of the Cylinder Heads for an application other than those listed in this Executive Order shall be
prohibited unless prior approval is obtained from the Air Resources Board. Exemption of the Cylinder
Heads shall not be construed as exemption to sell, offer for sale, or advertise any component of the kit as
an individual device.

World Products, Inc.                                                     EXECUTIVE ORDER D—343—2
Cylinder Heads                                                           (Page 2 of 2)

This Executive Order is granted based on submitted emissions test data on a 1993 GM C1500 truck
equipped with the 5.7L engine. Test results showed that tailpipe emissions with World Products‘ Cylinder
Heads installed on the vehicle met the vehicle‘s applicable emission standard during a Cold Start CVS—75
Federal Test Procedure.

This Executive Order does not constitute any opinion as to the effect the use of the Cylinder Heads may
have on any warranty either expressed or implied by the vehicle manufacturer.

In addition to the foregoing, the ARB reserves the right in the future to review this Executive Order and
the exemption provided herein to assure that the exempted add—on or modified part continues to meet the
standards and procedures of Title 13, California Code of Regulations, Section 2222, et seq.


No claim of any kind, such as "Approved by the Air Resources Board", may be made with respect to the
action taken herein in any advertising or other oral or written communication.                       c

Violation of any of the above conditions shall be grounds for revocation of this order. The order may be
 revoked only after a ten—day written notice of intention to revoke the order, in which period the holder of
the order may request in writing a hearing to contest the proposed revocation. If a hearing is requested, it
 shall be held within ten days of receipt of the request and the order may not be revoked until a
 determination after hearing that grounds for revocation exist.

Executed at El Monte, California, this }é fdéxy of January 1999.

                                      R. B. Summerfield, Chief
                                      Mobile Source Operations Division

Document Created: 2005-09-01 12:43:36
Document Modified: 2005-09-01 12:43:36

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