NY: 15/59 (3.933) ring and pinion
 

This is a ring and pinion from a 1984 12a RX7. $350 shipped.

https://cimg6.ibsrv.net/gimg/www.mia...10c6e6f5ce.jpg


https://i.imgur.com/C0z1znd.jpghttps://cimg8.ibsrv.net/gimg/www.mia...d2bbdc698f.jpg

Does this fit a Miata?

the ring does, but the pinion is different enough that it doesn't just "bolt in"

https://cimg9.ibsrv.net/gimg/www.mia...9d920404ad.jpg

if you supply a new miata bearing and replace this rx-7 bearing, it is a direct bolt in swap. bump this want to switch to 3.63 gears