what are the cylinder heads of my 2000 3.8L V6 commodore called?

[Abdullah]

i think my 2000 commodore is called VT model, it has 3.8L V6 engine and 4L60E transmission. what are the cylinder heads of my car called? are they called L36 heads?

thanks for help.

[Michelson4301]

yes the N/A heads are L36 cast items. Supercharged are L67 items.

[Abdullah]

thanks for the reply.