Parts such as the Track & Suspension Wheel: Spring,torsion (806-47335-00), Bolt, Hexagon (682), Arm, Pivot Outside, Shaft, Pivot are included in the Sl338 1969 Track & Suspension Wheel parts fiche.
The most expensive part in this assembly is the Track Assy.
The Bolt, Hexagon (682) is the lowest priced item on this Track & Suspension Wheel schematic.