2620 - 1970-1981 GM F-Body Rear Leaf Spring Set, 2" Lowering 2009 pontiac solstice A progressive valve will have

A progressive valve will have a softer low-speed force that ramps up very quickly as shaft speed increases

Spring Perches: This catalog entry is for Camaros using the OEM sized front springs and all aftermarket lowering springs as well as coilover struts and springs from a number of brands

not inexpensive nylon race bearings like some competing brands

Precision CNC machined and heat treated 4140 Chromoly shanks are utilized to handle the abuse of racing and drifting

2620 - 1970-1981 GM F-Body Rear Leaf Spring Set

2620 - 1970-1981 GM F-Body Rear Leaf Spring Set, 2" Lowering 2009 pontiac solstice A progressive valve will have2620 1970 1981 GM F Body Rear Leaf Spring Set, 2" Lowering