This oil does appear on GM's list of 4718M oils.
Aluminum- 0
Chromium- 0
Iron- 0
Copper- 0
Lead- 0
Tin- 0
Moly- 52
Nickel- 0
Manganese-0
Silver- 0
Potassium-0
Boron- 2
Silicon- 2
Sodium- 1
Calcium- 2680
Magnesium-15
Phosph- 744
Zinc- 949
Barium- 0
SUS Visc. 210- 59.2
cST Visc. 100- 10
Flashpoint- 400
Insolubles- 0
TBN- 10.0
Aluminum- 0
Chromium- 0
Iron- 0
Copper- 0
Lead- 0
Tin- 0
Moly- 52
Nickel- 0
Manganese-0
Silver- 0
Potassium-0
Boron- 2
Silicon- 2
Sodium- 1
Calcium- 2680
Magnesium-15
Phosph- 744
Zinc- 949
Barium- 0
SUS Visc. 210- 59.2
cST Visc. 100- 10
Flashpoint- 400
Insolubles- 0
TBN- 10.0