SPC Performance 36021 Navistar Hd Shim - 1/16 6

The SPC Performance 36021 is a heavy-duty alignment shim kit designed specifically for Navistar commercial vehicles with 6x4 air suspension configurations. Each kit includes six 1/16-inch thick shims engineered to provide precise suspension geometry adjustments.

Key Features:

• Designed for Navistar heavy-duty trucks with 6x4 air suspension systems
• 1/16-inch shim thickness for accurate adjustment increments
• Set of six shims for multiple adjustment points or future replacements
• Centers axle alignment with frame rails when used on lateral links
• Adjusts thrust angle and toe settings when installed between spring hanger and spring
• Durable construction for commercial vehicle applications

These precision-engineered shims are essential alignment tools for correcting axle position, eliminating dog tracking, and restoring proper suspension geometry on heavy-duty commercial vehicles. Proper shimming helps reduce tire wear and improve vehicle handling characteristics.