Upgrade your GM C10 truck’s rear suspension with the ultimate pairing: Viking Performance’s C209-W rear shocks and 12DP series springs. Precision-engineered for classic truck enthusiasts and performance builders, this combo delivers both style and superior handling. Key Benefits Custom-Tuned Ride: The C209-W shocks feature double-adjustable valving so you can fine-tune compression and rebound for load, comfort, or aggressive driving. Consistent Performance: The 12DP Series springs provide reliable ride height and support, engineered to work in harmony with Viking’s shocks for optimal suspension response. Enhanced Handling: Dramatically improves rear grip, stability, and control—whether you’re cruising, hauling, or hitting the autocross course. Premium Construction: Both shocks and springs are made in the USA using high-quality materials, ensuring durability and style under any driving conditions.