Do you think that you will ever consider coilovers? Because if you do, then the springs would be obsolete and with KWs being 2.5x the price would be more wasteful. Sort of like an economic look.
Track / Autocross setup: Forgestar F14, w/ Toyo Proxy R888 & RA-1
F: 18x10 et25 285/30/18 (21.8lbs), R: 18x11 et32 305/35/18 (23lbs)
355mm StopTech | 96 Octane
Laguna Seca previous record - 1:49:498