AE86 OS Giken TS2 Soft-Diaphragm Twin Plate Clutch Kit w/ Flywheel | 4A-GE (Corolla 1983-1987)
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OS Giken TS2AS / TS2BS Soft-Diaphragm Twin Plate Clutch Kit
For 1985–1987 Toyota Corolla Sport GT-S AE86 & 1983–1987 Toyota Corolla Levin / Sprinter Trueno AE86 with 1.6L 4A-GE / 4A-GEU
Overview
The OS Giken TS Series Soft-Diaphragm Twin Plate Clutch Kit is a performance clutch and flywheel package designed for 4A-G-powered Toyota AE86 applications. Its twin-plate construction provides increased torque capacity while the softer diaphragm spring helps maintain more manageable pedal effort than the standard TS2A and TS2B configurations.
Two configurations are available. The TS2AS is the smaller, response-focused setup intended primarily for naturally aspirated and lower-torque builds, while the TS2BS uses larger clutch discs and substantially greater torque capacity for supercharged, turbocharged, and higher-output 4A-G applications.
Both configurations use a stamped-steel clutch cover, heat-treated alloy clutch discs, and a matched flywheel.
Key Features
- OS Giken TS Series twin-plate clutch system
- Soft-diaphragm design for reduced clutch pedal effort
- Twin clutch discs for increased torque capacity
- Stamped-steel clutch cover
- Heat-treated alloy clutch discs
- Matched flywheel included
- Designed for Toyota AE86 4A-G manual-transmission applications
- Suitable for performance street, track, and modified engine builds
- Two configurations available for different torque and response requirements
Vehicle Fitment
Toyota Corolla Levin
-
1983–1987 Toyota Corolla Levin – AE86 – RWD – 1.6L 4A-GE – Manual Transmission
Toyota Sprinter Trueno
-
1983–1987 Toyota Sprinter Trueno – AE86 – RWD – 1.6L 4A-GE – Manual Transmission
Toyota Corolla Sport GT-S
-
1985–1987 Toyota Corolla Sport GT-S – AE86 – RWD – 1.6L 4A-GE – Manual Transmission
Fitment Notes
- For 4A-G / 4A-GE / 4A-GEU applications only
- Does not fit factory 4A-C-powered Corolla Sport SR5 applications
- Manual transmission applications only
- A matching OS Giken release sleeve assembly is required for the selected clutch configuration
- The TS2AS and TS2BS use different release sleeve assemblies
- Requires the appropriate OEM pilot bearing or pilot bushing
- Correct clutch-release height and sleeve setup must be maintained during installation
Product Specifications
Brand: OS Giken
Series: TS Series
Product Type: Performance Twin Plate Clutch Kit
Clutch Design: Twin Plate
Diaphragm Type: Soft Diaphragm
Cover Construction: Stamped / Pressed Steel
Clutch Disc Construction: Heat-Treated Alloy
Flywheel: Included
Engine Application: Toyota 4A-G Family
Transmission: Manual
Drivetrain: Rear-Wheel Drive for listed AE86 applications
TS2AS vs. TS2BS
| Feature | TS2AS 184 mm | TS2BS 204 mm |
|---|---|---|
| Clutch Type | Twin Plate | Twin Plate |
| Disc Diameter | 184 mm | 204 mm |
| Torque Capacity | About 300 lb-ft | Up to 500 lb-ft |
| Diaphragm | Soft | Soft |
| Primary Focus | Engine response | Higher torque capacity |
| Best Suited For | Naturally aspirated & lower-torque supercharged builds | Supercharged, turbocharged & higher-torque builds |
| Pedal Character | Reduced effort | Reduced effort |
| Flywheel | Included | Included |
The TS2AS 184 mm configuration is the better choice for a naturally aspirated or moderately modified 4A-G where engine response and a lighter-duty twin-plate setup are the priority.
The TS2BS 204 mm configuration is better suited to turbocharged, supercharged, or higher-output 4A-G builds that need significantly greater torque capacity while retaining OS Giken's softer diaphragm design.
Neither configuration is universally better—the correct choice depends primarily on the engine's torque output and intended use.
Available Configurations
TS2AS 184 mm – Response-Focused
- Twin-plate clutch assembly
- Matched flywheel
TS2BS 204 mm – Higher-Torque
- Twin-plate clutch assembly
- Matched flywheel
The required matching release sleeve assembly and pilot bearing or bushing are separate installation components.