These are the Pro-Line PowerStroke Front Shocks Spring Assortment
Six Primary Springs (black/short)
Six Secondary Springs (silver/long)
Color coded stripes to identify rates
Spring rate chart available showing spring all combinations and effective primary/secondary rates
Take your PowerStroke shocks to the next level with Pro-Line's Spring Assortment. Now you can adjust ride heights and dual-rate spring rates almost infanitly with these color coded springs. Kits come with six primary (short) and six secondary (long) high guality springs with color coded stripes to referance rates.
Primary Springs (6 pcs)
Secondary Springs (6 pcs)