Approval Details

Valid E.O.

Validity

This Executive Order approved the specified parts on on December 24, 2015.
As of Monday, October 14th, 2019 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModels
See PDFSee PDF

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-747-1
  • Executive Order 747-1 / D747-1
  • ARB # D-747-1
  • Executive Order No: D-747-1
  • C.A.R.B. No. D-747-1
  • Resolution D-747-1
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-747-1 PDF

D-747-1 Document:



                                    State of California
                                AIR RESOURCES BOARD

                               EXECUTIVE ORDER D—747—1

                       Relating to Exemptions Under Section 27156
                                  of the California Vehicle Code

                                   Trick Flow Specialties
                           Trick Flow Specialties 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—14—012;

IT IS ORDERED AND RESOLVED: That the installation of the Trick Flow Specialties
Cylinder Heads, manufactured and marketed by Trick Flow Specialties, 285 West Avenue,
Tallmadge, Ohio 44278, has been found not to reduce the effectiveness of the applicable
vehicle pollution control systems and, therefore, is exempt from the prohibitions of Section
27156 of the Vehicle Code for those applicable 2015 and older model year General Motors
V8 vehicles, and 1996 and older model year Ford V8 vehicles listed in Exhibit A, excluding
the 2014 and 2015 model year Corvette.

The Trick Flow Specialties Cylinder Heads, is a set of new modified aluminum cylinder
heads, designed to increase the performance of the engine by having ported and
polished intake and exhaust ports, larger valve diameters, and a modified combustion
chamber volume. No other changes are required for proper installation other than the
remove and replacement of the cylinder head.

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

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

This exemption is issued based on prior data submitted from Trick Flow Specialties in
support of Executive Orders D—369—6, D—369—16, D—369—18, and D—747.

The Air Resources Board 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.

THIS EXECUTIVE ORDER DOES NOT CONSTITUTE A CERTIFICATION,
ACCREDITATION, APPROVAL, OR ANY OTHER TYPE OF ENDORSEMENT BY THE
AIR RESOURCES BOARD OF ANY CLAIMS OF THE APPLICANT CONCERNING
ANTI—POLLUTION BENEFITS OR ANY ALLEGED BENEFITS OF THE
TRICK FLOW SPECIALTIES CYLINDER HEADS.


Marketing of the Trick Flow Specialties Cylinder Heads using any identification other than
that shown in this Executive Order or marketing of the Trick Flow Specialties 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 shall not apply to any Trick Flow Specialties Cylinder Heads
advertised, offered for sale, sold with, or installed on a new motor vehicle prior to or
concurrent with transfer to an ultimate purchaser.

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 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 is made after the
hearing that grounds for revocation exist.

Executed at El Monte, California, this    % ]h       day of December 2015.




                      Annette?ze[er’t, Chief
                      Emissions Compliance, Automotive Regulations and Science Division




               TRICK FLOW SPECIALTIES — CYLINDER HEADS — D—747—1


                                                   Exhibit A




  Part Number        Model Year                                 Model Specifications
  TFS—30310001      1986 and Older                        GM Vehicles with 262—350 Engines
  TF5—30310002        1986 —1991                          GM Vehicles with 262—350 Engines
  TFS—30310003      1986 and Older                        GM Vehicles with 262—350 Engines
  TFS—30310005        1987—1995                           GM Vehicles with 262—350 Engines
  TF5—30310006        1987—1995                           GM Vehicles with 262—350 Engines
  TFS—30310007        1987—1995                           GM Vehicles with 262—350 Engines

  TFS—30410001      1986 and Older                        GM Vehicles with 262—350 Engines
  TF5—30410002      1986 and Older                        GM Vehicles with 262—350 Engines
  TFS—30410003      1986 and Older                        GM Vehicles with 262—350 Engines
  TFS—30410005        1987—1995                           GM Vehicles with 262—350 Engines
  TFS—30410006        1987—1995                           GM Vehicles with 262—350 Engines
  TFS—30410007        1987—1995                           GM Vehicles with 262—350 Engines
TFS—30410001—M64    1986 and Older                        GM Vehicles with 262—350 Engines
TFS—30410002—M64    1986 and Older                         GM Vehicles with 262—350 Engines
TFS—30410003—M64    1986 and Older                         GM Vehicles with 262—350 Engines
TFS—30410005—M64      1987—1995                            GM Vehicles with 262—350 Engines
TF5—30410006—M64      1987—1995                            GM Vehicles with 262—350 Engines
TFS—30410007—M64      1987—1995                            GM Vehicles with 262—350 Engines
TFS—30410012—M72    1986 and Older                         GM Vehicles with 262—350 Engines
TFS—30410013—M72    1986 and Older                         GM Vehicles with 262—350 Engines
TFS—30410014—M72      1987—1995                            GM Vehicles with 262—350 Engines
TFS—30410015—M72      1987—1995                            GM Vehicles with 262—350 Engines

 TFS—32610001—C01    2007—Present           GM VEHICLES WITH 6.2L V8 ENGINE, GM E—ROD LS3 CRATE ENGINE
 TFS—32610002—CO1    2007—Present           GM VEHICLES WITH 6.2L V8 ENGINE, GM E—ROD LS3 CRATE ENGINE
 TFS—3261T001—CO1    2007—Present           GM VEHICLES WITH 6.2L V8 ENGINE, GM E—ROD LS3 CRATE ENGINE
 TFS—3261T002—C01    2007—Present           GM VEHICLES WITH 6.2L V8 ENGINE, GM E—ROD LS3 CRATEENGINE
 TFS—32611003—C01    2007—Present    GM VEHICLES WITH 6.2L V8 ENGINE, GM E—ROD LS3 CRATE ENGINE, 6—BOLT PATTERN
 TFS—3261T004—C01    2007—Present    GM VEHICLES WITH 6.2L V8 ENGINE, GM E—ROD LS3 CRATE ENGINE, 6—BOLT PATTERN

TFS—51410002—M5S8   1996 and Older                   FORD Vehicles with 289, 302, and 351W Engines
TFS—51410002—M61    1996 and Older                   FORD Vehicles with 289, 302, and 351W Engines
TFS—51410004—M58    1996 and Older                   FORD Vehicles with 289, 302, and 351W Engines
TFS—51410004—M61    1996 and Older                   FORD Vehicles with 289, 302, and 351W Engines





Document Created: 2016-05-02 17:38:04
Document Modified: 2016-05-02 17:38:04

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