UNLIMITED WORKS CARBON SYNCHRO KIT FOR EVOLUTION, 86/BRZ
¥98,000 – ¥117,800Price range: ¥98,000 through ¥117,800
You can also purchase individual parts. See the prices below.

This can be shipped via economy air shipping to most parts of Asia, the US, and Europe. However, the territories cannot be covered with this shipping, we may request an additional shipping charge after the buyer places the order.
Description
PRECISION SHIFT FEEL WITH CARBON SYNCROTECHNOLOGY.
The Unlimited Works Original Carbon Synchro Kit brings race-inspired synchromesh technology to popular performance transmissions.
Originally adopted as OEM equipment in vehicles like the Honda S2000, carbon synchros deliver superior shift feel, reduced friction, enhanced wear resistance, and improved drivetrain protection. This kit offers a cost-effective upgrade compared to complete gear set replacements.
Product Highlights
⚙️Â CARBON SYNCROTECHNOLOGY
Carbon synchros provide multiple performance benefits over standard brass synchros:
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Improved Shift Feel:Â Smoother, more precise gear engagement
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Reduced Friction:Â Lower resistance during gear changes
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Enhanced Wear Resistance:Â Longer service life under performance use
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Drivetrain Protection:Â Reduced shock loads during aggressive shifting
💰Â COST-EFFECTIVE PERFORMANCE UPGRADE
With stock synchro sets typically costing ¥40,000+, the Unlimited Works Carbon Synchro Kit offers a relatively affordable path to drivetrain tuning and transmission refinement without the expense of a full gear set.
🔄Â PLATFORM-SPECIFIC APPLICATIONS
Available for multiple performance platforms with vehicle-specific configurations:
| Application | Transmission | Notes | |
|---|---|---|---|
| Evolution IV–VII | 5-speed | – | |
| Evolution VIII–IX | 5-speed | – | |
| Evolution VIII–IX | 6-speed (CT9A) | Includes 1st/2nd gear synchros* | |
| 86 / BRZ | 6-speed | – |
**Critical Note for CT9A 6-Speed:*
 CT9A 6-Speed Transmission
⚠️Â 1ST/2ND GEAR SYNCHRO AVAILABILITY
For the Evolution VIII–IX 6-speed transmission (CT9A), this carbon synchro kit includes synchros for 1st and 2nd gears—components that cannot be ordered individually from Mitsubishi.
OEM Restriction: Previously, when these synchros required replacement, the only option was to order complete gear assemblies at significant cost. This Unlimited Works kit finally enables individual synchro replacement for 1st and 2nd gears during transmission overhaul.
Important: While the 6-speed synchros differ in shape from 5-speed versions, performance characteristics are equivalent.
Technical Specifications & Application
Key Details
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Product:Â Unlimited Works Original Carbon Synchro Kit
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Material:Â Carbon synchromesh technology
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Benefits:Â Improved shift feel, reduced friction, enhanced wear resistance, drivetrain protection
Vehicle Compatibility
Mitsubishi Lancer Evolution
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EVO IV, V, VI, VII: 5-speed transmission
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EVO VIII, IX: 5-speed transmission
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EVO VIII, IX: 6-speed transmission (CT9A)
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*Includes 1st/2nd gear synchros (cannot be ordered individually from OEM)*
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Toyota 86 / Subaru BRZ
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86 / BRZ: 6-speed transmission
Performance Characteristics
🎯Â SHIFT FEEL ENHANCEMENT
Carbon synchros provide noticeably smoother and more precise gear engagement compared to standard brass synchros. The reduced friction allows for faster, more confident shifts during performance driving.
🛡️Â DRIVETRAIN PROTECTION
By reducing friction and improving engagement consistency, carbon synchros help minimize shock loads transmitted through the drivetrain during aggressive gear changes—potentially extending the life of gears, shafts, and differentials.
⏱️Â WEAR RESISTANCE
Carbon material offers superior durability compared to traditional synchro materials, maintaining consistent performance over longer periods of use—particularly beneficial for track-driven vehicles.
Related
Additional information
| OPTION | EVO IV-VII: 5-speed transmission , EVO VIII, IX: 5-speed transmission , EVO VIII, IX: 6-speed transmission (CT9A) , 86 / BRZ: 6-speed transmission |
|---|
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