Tuff Country # 90014 4 degree shims are generally installed between rear leaf springs and the axle. Designed with a taper to rotated the rear axle to help eliminate vibrations that can sometimes occur in lifted vehicles.
6 degree axle shims 2" wide w/3/8" center pins (pair)
2 degree axle shims 2" wide w/3/8" center pins (pair)
Toyota Truck Brake Lines 1979-1995 by Tuff Country #95505
Toyota Truck Brake Lines 1979-1995 by Tuff Country #95500