MaxTrac Suspension Part #411420 2 inch rear lowering shackles for Ford F-150, Ford F-250/F-350 Super Duty, Chevrolet Silverado HD, and GMC Sierra HD (1999-2025 applications) suspension lowering and stance correction kit, engineered to deliver a clean rear drop for improved vehicle stance, reduced factory rake, and enhanced street appearance while maintaining factory ride quality and suspension geometry, heavy-duty steel construction with durable grey powder-coated finish for long-lasting corrosion resistance and strength, designed for direct bolt-on installation using factory mounting points for a reliable and consistent lowering solution, ideal for HD truck lowering kits, rear drop shackles, and suspension stance upgrades.