Rough Country 4.5-5.5" N3 Front Shocks for 69-87 GM C20/K20

10 Stage Variable Valving, Military Fluid Rated To -50 Degrees C Nitrogen Charged, Rubber Bushings, 36kN Tensile Strength Fast Cooling 54mm Shock Body Spring Loaded Piston Rod Seal. Military Spec. Fluid Rated To -40? C Backed by Rough Country's Limited Lifetime Replacement Warranty.