Check out the Eibachs. They are a nice spring for the money. Not only have they reviewed nicely on my car
. But others enjoy them as well. They are a nice performance spring versus a simple lower spring. You get what you pay for here!
Web Link from Stangnet.com was helpful in my research.
http://reviews.stangnet.com/Suspension/
Good Luck and Enjoy!
-Jane of All Trades-