Here is a set of springs for your 1/10 Scale dirt oval car when racing in LOOSE-TRACK conditions and your car has longer shocks installed. You get 9 pair of springs in the following rates: BLUE 3 lbs, WHITE 4 lbs, RED 5 lbs, GREEN 6 lbs, PURPLE 7 lbs, BLACK 8 lbs, SILVER 9 lbs, GOLD 10 lbs, & GRAY 12 lbs.
These springs are 1.80" long x 0.530" id. and fit longer shocks like Associated .89 stroke, Custom Works MDX Medium & Long, Tamiya and other shocks typically with shock bodies ranging between 1" and 1.5". If your running your car on loose dirt with rubber tires and long shocks these are what you have been asking for!