SPC Shim

These shims for the Freightliner FAS II suspensions will change thrust angle and toe when installed between the torque arm and the spring hanger. They will also center the axle with the frame rails when used on the lateral link. Six shims per box. These shims for the Freightliner FAS II suspensions will change thrust angle and toe when installed between the torque arm and the spring hanger. They will also center the axle with the frame rails when used on the lateral link. Six shims per box. California Residents WARNING Over the road heavy duty adjusters are a fast and accurate way to align the front and rear axles of the most popular tandem trailers and trucks. These shims for the Freightliner FAS II suspensions will change thrust angle and toe when installed between the torque arm and the spring hanger. They will also center the axle with the frame rails when used on the lateral link. Six shims per box. F/LINER TORQUE SHIM 1/8"().