SSBC Aluminum Calipers Va. OEM 14" steel wheels?

Howdy,

In the interest of removing weight from the front of my GTS I am considering the following caliper upgrade:

https://www.summitracing.com/parts/tsb-a199-1
Has anyone used these? The price is stiff so I am doing as much research as possible before pulling the trigger.

Thanks for an insight you might have.