So im trying to get around 140+ fps on 1080p around max settings because this game is beautiful and im finally able to build and upgrade my pc but i cant seem to get above 60fps, can i get some advice on what i need to upgrade?

This is my setup
Win 10 64x
Asus z270a motherboard
I5-7600k 3.8ghz not oced atm but i have a noctua 212 incase i do
32gb 3000mhz ddr4
Rog Gtx 1660 ti 6gb

Any help would be great