Eibach's Pro-Kit is a great way to get a reasonable drop on your NC Miata. These are the sport lowings springs, the increase in spring rate improve handling and lower the car safely. These have a drop of 1.5 front and 1.3 inch rear for years 06-08 with a bit less of a drop on the 09-11 years. Front spring rate of 140 pound as compared with 110 pound stock front. Rear on this kit is 70/120 progressive tapered.
Specifications:
- Front Lowering: 1.5in
- Rear Lowering: 1.3in
- 140/ 70-120 Progressive Rates