OS Giken TS2A Twin-Plate Clutch & Flywheel | 4A-GE (1983-87 Corolla)

OS Giken TS2A Twin Plate Clutch Kit with Flywheel

For 1983–1987 Toyota Corolla AE86 equipped with 4A-GE engines and manual transmissions.

Overview

The OS Giken TS2A Twin Plate Clutch Kit is a performance clutch and flywheel system for 1983–1987 JDM Toyota Corolla AE86 and 1985–1987 U.S.-Market Corolla Sport AE86 (GT-S) with 4A-GE and manual transmission.

The TS2A uses two compact 184 mm heat-treated alloy clutch discs with a stamped-steel clutch cover to provide approximately 350 lb-ft of torque capacity while maintaining manageable engagement and pedal effort. Its smaller-diameter twin-disc design is particularly well suited to modified naturally aspirated and supercharged 4A-GE builds where responsive engine operation is a priority.

A matched flywheel is included with the clutch assembly. The AE86 application requires the dedicated OS Giken AE86 TS2A release sleeve assembly, which can be purchased with the clutch through the available bundle configuration.

Key Features

• TS2A twin-plate performance clutch system
• Approximately 350 lb-ft torque capacity
• Two 184 mm clutch discs
• Heat-treated alloy clutch-disc construction
• Stamped-steel clutch cover
• Compact disc diameter helps reduce rotating inertia
• Moderate pedal effort relative to its holding capacity
• Designed with naturally aspirated and supercharged 4A-GE builds in mind
• Suitable for performance street, track, and competition use
• Matched flywheel included

TS2A Twin-Plate Design

The TS2A uses two smaller-diameter clutch discs rather than a conventional single-disc arrangement. The additional friction surface increases torque capacity, while the compact 184 mm disc diameter helps reduce rotating inertia for quicker engine response.

This makes the TS2A particularly well suited to high-revving naturally aspirated 4A-GE builds and supercharged applications that require substantially greater capacity than an OE-style or performance single-disc clutch.

Vehicle Fitment

Toyota Corolla — AE86

• 1983–1987: Trueno (JDM) / 4A-GE / Manual
• 1983–1987: Levin (JDM) / 4A-GE / Manual
• 1985–1987: GT-S (U.S.-Market) / 4A-GE / Manual

Fitment Notes

• Only 4A-GE manual applications in the Vehicle Fitment section are covered. Not factory 4A-C SR5 / DLX, AE85 3A-U, factory 4A-GZE or automatic configurations.
• The dedicated OS Giken TS2A release sleeve and appropriate OEM-style pilot bearing or bushing are required; the sleeve is supplied only with the release-sleeve bundle.
• The kit-only configuration does not include a release sleeve. The matched flywheel is included with both choices.
• Engine, transmission, bellhousing or drivetrain conversions require matching installed components; chassis or engine name alone does not establish fitment.

Product Specifications

Brand: OS Giken
Series: TS Series
Product Type: Performance Clutch & Flywheel Kit
Clutch Type: TS2A Twin Plate
Disc Quantity: 2
Disc Diameter: 184 mm
Disc Construction: Heat-Treated Alloy
Cover Design: Stamped Steel
Torque Capacity: Approximately 350 lb-ft
Engine: 1.6L 4A-GE
Transmission: Manual
Drivetrain: RWD
Flywheel: Included
Release System: Application-Specific OS Giken Release Arrangement Required
Pilot Bearing / Bushing: Required
Recommended Use: Performance Street / Naturally Aspirated / Supercharged / Track

Which Twin-Plate Clutch Should You Choose?

TS2A — Best for Response-Focused Builds

Choose TS2A for a naturally aspirated or lower-torque boosted AE86 build when quick engine response is a priority; its compact 184 mm twin discs offer approximately 350 lb-ft capacity.

TS2B — Best for Higher-Torque AE86 Builds

For an AE86 build approaching or exceeding the TS2A’s approximate 350 lb-ft capacity, the OS Giken TS2B Twin Plate Clutch Kit provides greater torque capacity with larger 204 mm twin discs.

Our Recommendation: Choose TS2A for a response-focused build within its torque capacity; consider TS2B for a higher-torque AE86.

Available Configurations

Clutch Kit Only

Includes:

• (1) TS2A twin-plate clutch assembly
• (1) Matched flywheel

Clutch Kit + Release Sleeve Assembly

Includes:

• (1) TS2A twin-plate clutch assembly
• (1) Matched flywheel
• (1) OS Giken AE86 release sleeve assembly