Yes you can run the 1990 ring and pinion with no problem. 58 tooth on the ring and 15 teeth on the pinion make it the correct final drive.

Don't swap ring and pinions around though, i.e. try to keep the matching ring to the same pinion that it has been used on.


1G DSM: 1000+ AWHP, 9.2@162.83 MPH
Evo X: 746 AWHP, XR9569S pump gas
www.dynotuneracing.com