B18C GSR/ITR Differential Nachi Ball Bearing Conversion Kit.
94-97 GSR and Type R transmissions with taper bearing design can be upgraded to the ball bearing set up with this kit.
NOTE** This will not fit with OEM viscous LSD. The preload shim is the standard 1.45mm size that fits most cases. However, it is important to verify the correct clearance and use a different size shim if necessary.