Approval Details

Valid E.O.


This Executive Order approved the specified parts on on November 6, 1997.
As of Tuesday, April 23rd, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

Part NumberModelsRemarks
300-5521967-1986 GM vehicles equipped with 5.7L enginesThe Chevy SysteMAX cylinder heads is a set of 5.7L cylinder heads manufactured out of aluminum with the folliwnig specifications: Intake valve diameter of 2.02", exhaust valve diameter of 1.6", and a combustion chamber volume of 68 cc.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-115-8
  • Executive Order 115-8 / D115-8
  • ARB # D-115-8
  • Executive Order No: D-115-8
  • C.A.R.B. No. D-115-8
  • Resolution D-115-8
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-115-8 PDF

D-115-8 Document:

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