What is the primary benefit of a twin-disc clutch over a single-disc setup?

A twin-disc clutch uses two friction surfaces instead of one. This distributes the torque load over a larger area, significantly increasing the torque capacity and improving heat management, which is essential for high-horsepower applications.

Does this SPEC clutch kit come with everything needed for installation?

This kit includes the twin-disc assembly and pressure plates. While it is designed for a complete replacement, it's always recommended to check the included parts list upon arrival and consult the manufacturer's instructions for any additional hardware or specialized tools that may be required.

What is the recommended break-in procedure for this organic trim clutch?

Organic trim clutches require a specific break-in period to ensure the friction material properly mates with the flywheel and pressure plate surfaces. Always refer to the SPEC manufacturer's installation guide for the precise break-in procedure, which typically involves a series of moderate acceleration and deceleration cycles.

Specifications

Brand: SPEC
Part #: ST63SST-O-2MKIVRHD

Spec 91-00 Toyota Supra (1JZGTE & R154) Organic Trim Super Twin Disc Clutch Kit - RHD Chassis

Name: Spec 91-00 Toyota Supra (1JZGTE & R154) Organic Trim Super Twin Disc Clutch Kit - RHD Chassis
Brand: SPEC
SKU: spec-spec-91-00-toyota-supra-1jzgte-r154-organic-trim-super-twin-disc-clutch-kit-t14-872155
Price: 1965.85 USD
Availability: BackOrder

$1965.85

On Backorder

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Spec Super Twin Disc Clutch Kit for 91-00 Toyota Supra (1JZGTE & R154) RHD chassis. Offers smooth engagement for high-power applications.

Key Features

Fits 1991-2000 Toyota Supra with 1JZGTE engine and R154 transmission (RHD chassis).
Twin-disc design increases torque capacity and heat dissipation.
Organic friction material offers smooth engagement and a comfortable pedal feel.
Designed to handle high horsepower and torque applications.
Includes necessary components for a complete clutch replacement.
Built for Right-Hand Drive (RHD) chassis configurations.

This clutch kit is specifically designed for the 1991-2000 Toyota Supra models equipped with the 1JZGTE engine and R154 transmission in a Right-Hand Drive (RHD) chassis. Please verify your vehicle's specific configuration before purchase.

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About this part

Product Details

The ST63SST-O-2MKIVRHD clutch kit from SPEC features a twin-disc design with organic friction materials, specifically built for the 1991-2000 Toyota Supra equipped with the 1JZGTE engine and R154 transmission in a Right-Hand Drive chassis. This setup is engineered to handle significant power increases, making it a solid choice for enthusiasts looking to upgrade their drivetrain's capability. The organic trim provides a comfortable pedal feel and smooth engagement, which is often a trade-off with more aggressive twin-disc setups.

This clutch kit utilizes two friction discs, which distribute the torque load over a larger surface area. This not only increases the torque capacity but also helps to dissipate heat more effectively, leading to longer clutch life under demanding conditions. The twin-disc configuration is crucial for managing the high horsepower and torque outputs that the 1JZGTE engine is known for, especially when modified. SPEC has designed this kit to be a direct replacement for the factory clutch assembly, simplifying the installation process for mechanics familiar with Supra drivetrain work.

Included in this kit are the necessary components to perform a complete clutch replacement. You'll find the twin-disc assembly, pressure plates, and likely the pilot bearing and alignment tool, though it's always best to confirm the exact contents against the packing list upon arrival. Given the complexity of a twin-disc clutch installation, especially on a performance-oriented vehicle like the Supra, it's recommended to have this job performed by a qualified technician. Proper break-in procedures, as outlined by SPEC, are essential to ensure the longevity and optimal performance of the organic friction materials.