The SPC Freightliner FAS I shim is a 1/16" thickness shim sold six per box that adjusts thrust angle and toe when placed between the spring hanger and the spring on Freightliner FAS I air ride suspensions. Intended for that specific application, these shims provide a straightforward method to correct alignment geometry on heavy-duty Freightliner rear suspensions.
SPC Performance Freightliner Shim 1/16in. (6)