You can get for a lot cheaper than that...Steeda has it for much lower.I understand, however I was willing to spend a grand for the street pack. Not the 1400 for the track pack. My Mustang is base, the street pack/PP1 is an improvement.
Ford Racing Track Kit
Levittown Parts for $1159
Reach out to Levittown and they will give you free shipping. To be frank with the Vert you will want the stiffer springs for the heavier vert.