MFactory B-Series Final Drive
Included in this set: 4.71-1 Ring gear and Countershaft that are a direct replacement for the OEM Set. This kit has everything you need to upgrade your B-Series hydro to the High-Performance 4.71-1 ratio. Changing your final drive to a performance ratio will increase RPM and provide better acceleration.
Fits: B-Series Hydraulic Transmissions with the "Small" 109MM diameter ring gear hole.
-1992-1993 Integra GSR (YS1)
-1992-2001 Integra LS (YS1, Y80, S80)
-1994-1997 Del Sol B16 (Y21, S21)
-1999-2000 Civic B16 (S4C)