ATP 4 corner Front and S550 Rear IRS Coilover Kit Spring Rates:For small block engines and street use but more firm for occasional racing/aggressive driving Currently 4-6 weeks shipping time

Currently 4-6 weeks shipping time

It comes with 4 valve stem sensors and the control box needed to hook up to your gauge cluster

whether its the center bed fill

Soft tri-blend material

ATP 4 corner Front and S550 Rear IRS Coilover Kit Spring Rates:For small block engines and street use but more firm for occasional racing/aggressive driving Currently 4-6 weeks shipping time(current ship time is 4 6 weeks on full kits) This is the full 4 corner kit which consists of our F100 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. Silver springs are an option for an additional fee. Contact us if interested. If you have any questions feel free to contact us for further clarification