A toe link for the suspension system of a vehicle includes means for adjusting the axial length of the toe link while preventing relative rotation of the extending ends of the toe link. In one embodiment, a main delay line is used to coarsely select a frequency output while a secondary delay element, either passive or active, is used to increase the resolution of the primary delay line. To minimize the truck abrading the side seal, a movable coupling allows the side seal to move with the truck’s vertical movement. The first lead is positioned in the reservoir so that it electrically communicates with the second lead through the molten solder when the molten solder reaches a triggering level, but so that it does not electrically communicate with the second lead when the level is below the triggering level. Integrally faced vapor barrier blanket insulation combined with vapor barrier extensions installed behind perimeter structural and corner columns before wall girt erection are preferred system components.