Im ordering new ones tomorrow Im going with Carrea's for a small block.
model #3936su258 for the front with 375 lbs springs
Rear is model #3364
coil over kit # 1951r
rear springs #10cs185 185lbs
http://www.carrerashocks.com/home.html
The best price I got was from vintage performance motorcars
Craig is a fellow cobra guy He'll help you out
http://www.vintageperformancemotorcars.com/
Best of luck hope that helps
Greg