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Product Details
| Part Number: | SYNK20-1B |
| Brand: | SynchroTech |
| Transmission: | Manual |
The Synchrotech SYNK20-1B 1st/2nd gear carbon synchro set is engineered to restore smooth, precise shifting in Honda and Acura K-series manual transmissions. Designed for high-performance street and track applications, these upgraded carbon-lined synchros provide improved durability, faster engagement, and superior heat resistance compared to factory synchros.
Ideal for transmission rebuilds and performance upgrades, the SYNK20-1B synchro set helps eliminate grinding and worn engagement issues while delivering consistent shifting performance under aggressive driving conditions.
Key Features
- Carbon-Lined Synchro Design – Improved friction characteristics for smoother, faster shifts
- 1st/2nd Gear Synchro Set – Designed for K-series manual transmission applications
- Enhanced Durability – Better heat resistance and wear characteristics than OEM-style brass synchros
- Improved Shift Quality – Helps reduce grinding and difficult gear engagement
- Ideal for Transmission Rebuilds – Recommended during synchro and gear service
- Performance-Oriented Construction – Built for aggressive street, drag, and track use
- Precision Manufactured – Ensures accurate fitment and reliable operation
- OEM-Style Compatibility – Direct fit for compatible Honda and Acura K-series transmissions
Vehicle Fitment
Compatible with many Honda and Acura K-series manual transmissions, including select:
- Civic Si
- RSX Type-S
- TSX
- Accord
- CR-V
- Element
WARNING: This product may contain chemicals known to the State of California to cause cancer or birth defects. www.P65Warnings.ca.gov.
Vehicle Fitment
| Year | Make | Model | Trim | Notes |
|---|---|---|---|---|
| 2002 | Acura | RSX | Base | Manual |
| 2002 | Acura | RSX | Type-S | Manual |
| 2002 | Honda | Civic | Si | Manual |
| 2003 | Acura | RSX | Base | Manual |
| 2003 | Acura | RSX | Type-S | Manual |
| 2003 | Honda | Civic | Si | Manual |
| 2004 | Acura | RSX | Base | Manual |
| 2004 | Acura | RSX | Type-S | Manual |
| 2004 | Acura | TSX | Base | Manual |
| 2004 | Honda | Civic | Si | Manual |
| 2005 | Acura | RSX | Base | Manual |
| 2005 | Acura | RSX | Type-S | Manual |
| 2005 | Acura | TSX | Base | Manual |
| 2005 | Honda | Civic | Si | Manual |
| 2006 | Acura | RSX | Base | Manual |
| 2006 | Acura | RSX | Type-S | Manual |
| 2006 | Acura | TSX | Base | Manual |
| 2006 | Honda | Civic | Si | Manual |
| 2007 | Acura | TSX | Base | Manual |
| 2007 | Honda | Civic | Si | Manual |
| 2008 | Acura | TSX | Base | Manual |
| 2008 | Honda | Civic | MUGEN Si | Manual |
| 2008 | Honda | Civic | Si | Manual |
| 2009 | Honda | Civic | Si | Manual |
| 2010 | Honda | Civic | Si | Manual |
| 2011 | Honda | Civic | Si | Manual |
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