Rebuilt complete transferbox with uprated crownwheel/pinion from Italian company Brena Corse as well as an upgraded front LSD from Spanish company RSX Racing Solutions
The absolute best parts on the market!
 
Fits Evo 4-6
All Bearings, Seals, O-rings are brand new
Brena Corse crown wheel/pinion "superfinish treated" that withstands much more torque then OEM
RSX Racing LSD that withstands more torque then OEM