1967 barracuda windshield trim help

Hey guys,

Want to get this chrome trim for front windshield.

https://www.classicindustries.com/product/all-years/plymouth/barracuda/parts/ma820229.html


Says it will work with 67’ barracuda but have to use 68’ style clips and screw in studs.

where do I get those?

and do I also need a new windshield gasket? (Attached is mine)