ATP designs
ATP 4 corner Front and S550 Rear IRS Coilover Kit
$1,565
(current ship time is 2-4 weeks on Front Kit and 1-2 weeks for rears) This is the full 4 corner kit which consists of our Andrew's Tuning and Performance crown victoria front suspension swap coilover kit and matching ATP S550 IRS coilover kit This full 4 corner kit has various spring options based on ride quality/drivetrain/desired use. If you have any questions feel free to contact us for further clarification on spring choice. Most will find the options align with their needs.