You would probably be happy with h&R Sport springs, I don't know if there are differences, i think with the sport you would get a 1-1.5inch drop all around. Race springs drop it really low. On the H&R site it list the part number as 50406 and they say approx drop of 1.3 inches.
bmp sells them:
http://www.bmpdesign.com/category-ex...earch_model/34