Bilstein B12 (Special) Rear Suspension Kit (For 1in Lift) | 2019 - 2026 Ram 1500 DTBilstein B12 (Special) suspension kits are designed to alter the vehicles ride height for optimum performance. Utilizing various different technologies to achieve the optimum ride height for a specific requirement. Bilstein B12 (Special) suspension kits provide the perfect combination of suspension dynamics, quality and aesthetics. Specifications Kit Contents: Pair of coil springs Finish: Springs: Black Rear Main Spring Rate (lbs in): 325 Rear Main