The wing is known as 51000, "Flag 5 x 6 Hexagonal"
Why do you want to use the older Grievous head?
All of the newer parts are in the part tracker library, but some without pattern/print.
87566, torso
87567, head
87568p01-p04, printed arms
87569, leg
Why do you want to use the older Grievous head?
All of the newer parts are in the part tracker library, but some without pattern/print.
87566, torso
87567, head
87568p01-p04, printed arms
87569, leg