ARNOTT PART # C-2615 Arnott's Ford coil spring conversion kit , C-2615, was exclusively designed for newer 2003-2011 Crown Victoria vehicles in need of replacing the OE shocks along with the air springs. This aftermarket kit converts the Ford Crown Victoria rear air springs to a reliable coil spring suspension system. The kit features durable powder-coated coil springs designed to provide a smooth, comfortable ride. The springs fit perfectly in the vehicle's spring seat without the need to weld. This kit also includes a pair of OE-equivalent Crown Victoria shocks. Product Features:Two Coil SpringsPowder-Coated for DurabilityDetailed Instruction Manual Available