What is the advantage of a twin-disc clutch over a single-disc clutch?

A twin-disc clutch uses two friction surfaces instead of one, which doubles the potential surface area. This allows it to handle significantly more torque and dissipate heat more effectively, making it ideal for high-horsepower engines and demanding driving conditions.

Does this clutch kit come with a flywheel?

This kit includes the clutch discs, pressure plates, and necessary hardware. It is designed to work with your existing flywheel, which should be resurfaced or replaced to ensure proper clutch engagement and longevity. Always refer to the manufacturer's installation guide for specific requirements.

What is the spline count for this clutch kit?

This specific kit offers a 26-spline hub option. It is crucial to verify that your transmission's input shaft has a 26-spline count to ensure proper fitment and engagement with the clutch.

Specifications

Brand: SPEC
Part #: ST63ST-2-870

Spec 87-92 Supra (1JZGTE) ST-Trim Super Twin Disc Clutch Kit w/26 Spline Hub Option

Name: Spec 87-92 Supra (1JZGTE) ST-Trim Super Twin Disc Clutch Kit w/26 Spline Hub Option
Brand: SPEC
SKU: spec-spec-87-92-supra-1jzgte-st-trim-super-twin-disc-clutch-kit-w-26-spline-hub--t14-146086
Price: 1965.85 USD
Availability: BackOrder

$1965.85

On Backorder

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Key Features

Fits 1987-1992 Toyota Supra with 1JZGTE engine.
Features a 26-spline hub option for transmission compatibility.
Twin-disc design increases surface area for higher torque capacity and heat management.
Sprung center hub design helps absorb drivetrain shock and vibration.
Uses a high-performance organic friction material for consistent engagement and heat resistance.
Designed for high-horsepower applications and modified vehicles.

This clutch kit is specifically designed for the 1987-1992 Toyota Supra equipped with the 1JZGTE engine and a 26-spline transmission input shaft. Always confirm your vehicle's specific transmission spline count before ordering.

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About this part

Product Details

The ST-Trim Super Twin Disc clutch kit from SPEC is built for the 1JZGTE engine found in the 87-92 Toyota Supra. This is a serious upgrade for high-horsepower applications where a stock clutch just won't cut it. The twin-disc design significantly increases the clutch's surface area, which helps manage the heat generated during aggressive driving and allows for a much higher torque capacity than a single-disc setup. This particular kit features a 26-spline hub option, ensuring it mates correctly with your transmission's input shaft.

SPEC uses a unique sprung center hub design in their ST-Trim kits. This design helps absorb some of the shock and vibration that can be transmitted through the drivetrain, making it a bit more manageable for daily driving compared to some other twin-disc setups. The friction material is a high-performance organic compound, chosen for its ability to handle extreme heat and provide a consistent engagement feel. This kit is designed to handle significant increases in power, making it a popular choice for tuners and those building a performance Supra.

When installing a twin-disc clutch like this, it's important to ensure your flywheel is resurfaced or replaced, and that the alignment tool is used precisely to get the discs perfectly centered. This kit is a substantial upgrade and is intended for vehicles that have undergone significant engine modifications. It's a well-built component designed to put the power of your modified 1JZGTE to the ground reliably.