Synchrotech Pro Series 2nd Gear Honda / Acura K-Series Transmissions
**Direct Replacement for the OEM 49 Tooth 2nd Gear!**
Synchrotech Transmissions Pro Series 2nd Gear for
- 2002-2006 Acura RSX Type S - K20A2, K20Z1
- 2006-2011 Honda Civic Si - K20A2, K20Z3
- JDM 2002-2006 Honda Integra Type R - K20A
- All 2002-2010 Honda / Acura K20 6 Speed Transmissions
Pro Series 2.13 Ratio - C/S - 2nd gear