Hello this are 1 month old TANABE NF210 springs for 3rd gen Prius and Prius Plug-in. Purchased on 4/25/15. I only drove about 300 miles on them. I took them off because I got some used TEIN springs. TANABE NF210 rides very comfortable; feels like stock. They lower the car around 1 inch all around. For more Specs, just google Part #: TNF178 SOLD SOLD SOLD