Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on October 26, 1994.
As of Wednesday, March 26th, 2025 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
4256A, 4256B, 4257A, 4257B, 13051993 and older GM vehicles equipped with a 283, 305, 327, 350, & 400 c.i.d. small block engine per manufacturer's application.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-343-1
  • Executive Order 343-1 / D343-1
  • ARB # D-343-1
  • Executive Order No: D-343-1
  • C.A.R.B. No. D-343-1
  • Resolution D-343-1
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-343-1 PDF

D-343-1 Document:

CARB_D-343-1

(Page 1 of 2) State of California AIR RESOURCES BOARD EXECUTIVE ORDER D—343—1 Relating to Exemptions Under Section 27156 of the Vehicle 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 Sections 39515 and 39516 of the Health and Safety Code and Executive Order G—45—5; IT IS ORDERED AND RESOLVED: That the installation of the cylinder heads manufactured by the World Products, Inc. of 80 Trade Zone Court, Ronkonkoma, New York 11779, as described in Table 1 of this Executive Order, 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 283, 305, 327, 350, and 400 c.i.d. small block engine. Table 1 Name P/N Material Chamber Volume Valve Size S/R Torquer 4256A Cast Iron 67 cc 2.02"x1.6" S/R Torquer 4256B Cast Iron 67 cc 2.02"x1.6" S/R Torquer 4257A Cast Iron 76 cc 2.02"x1.6" S/R Torquer 4257B Cast Iron 76 cc 2.02"x1.6" Sportsman Jr. 1305A Cast Iron 58 cCc 1.94"x1.5" Sportsman Jr. 13058 Cast Iron 58 cCc 1.94"x1.5" Dart II 1112A Cast Iron 64 cCc 2.02"x1.6" Dart 11 1112B Cast Iron 64 cCc 2.02"x1.6" Dart 11 1122A Cast Iron 64 cCc 2.02"x1.6" Dart II 1122B Cast Iron 64 cc 2.02"x1.6" Dart II 1212A Cast Iron 72 cCc 2.02"x1.6" Dart II 1212B Cast Iron 72 cCc 2.02"x1.6" Dart II 1222A Cast Iron 72 cCc 2.02"x1.6" Dart II 1112B Cast Iron 72 cc 2.02"x1.6" 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 a vehicle‘s pollution control system shall invalidate this Executive Order.

WORLD PRODUCTS, INC. EXECUTIVE ORDER D—343—1 (Page 2 of 2) 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. 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 motorcycle manufacturer. THIS EXECUTIVE ORDER DOES NOT CONSTITUTE A CERTIFICATION, ACCREDITATION, APPROVAL, OR ANY OTHER TYPE OF ENDORSEMENT BY THE AIR RESOURCES BOARD OF CLAIMS OF THE APPLICANT CONCERNING ANTI—POLLUTION BENEFITS OR ANY ALLEGED BENEFITS OF THE WORLD PRODUCTS, INC.‘S CYLINDER HEADS. 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. Violation of any of the above conditions shall be grounds for revocation of this Executive Order. The order may be revoked only after 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 séaégf d f October, 1994. a R. B./Summerfield AssFstant Divisiont Chief ile Source Division


Document Created: 2005-09-01 12:43:21
Document Modified: 2005-09-01 12:43:21

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