What is the main difference between this Stage 4 clutch and a stock clutch?

This Stage 4 clutch is designed for race use and features an unsprung disc for very direct and immediate engagement. It's built to handle significantly higher power and heat than a stock clutch, resulting in a firmer pedal feel and more abrupt engagement.

Is this clutch kit suitable for daily driving?

No, this Stage 4 clutch kit is strictly intended for race use only. The unsprung design and aggressive engagement characteristics make it unsuitable for comfortable daily driving.

What does 'unsprung' mean for a clutch disc?

An unsprung clutch disc does not have any damping springs built into it. This results in a more direct and immediate connection between the engine and transmission, which is often preferred in racing for precise control and quick power transfer.

Specifications

Brand: SPEC
Part #: ST824

Spec 05-06 tC / 99-02 3.0L Solara Stage 4 Clutch Kit : Unsprung Race Use ONLY

Name: Spec 05-06 tC / 99-02 3.0L Solara Stage 4 Clutch Kit : Unsprung Race Use ONLY
Brand: SPEC
SKU: spec-spec-05-06-tc-99-02-3-0l-solara-stage-4-clutch-kit-unsprung-race-use-only-t14-2209
Price: 449.10 USD
Availability: BackOrder

$449.10

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

SPEC Stage 4 clutch kit for race use. Fits many Lexus and Toyota models like the Scion tC and Toyota Camry.

Key Features

Fits 1990-1991 Lexus ES250, 1992-1993 Lexus ES300, 2005-2006 Scion tC, 1994-2001 and 2005-2006 Toyota Camry, 2004-2005 Toyota RAV4, and 1999-2004 Toyota Solara.
Stage 4 clutch kit designed for race use.
Features an unsprung clutch disc for direct and immediate engagement.
Built to handle high heat and shock loads common in racing.
Offers a firm pedal feel and abrupt engagement suitable for track applications.

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Will this fit your vehicle?

About this part

Product Details

SPEC is known for making well-built performance drivetrain components, and this Stage 4 clutch kit is a prime example for serious track use. This kit is designed for vehicles like the 2005-2006 Scion tC, 1999-2004 Toyota Solara, and many other Lexus and Toyota models. It’s a significant upgrade over stock, built to handle the demands of racing where extreme power and quick engagement are critical.

This Stage 4 kit features an unsprung design, meaning the clutch disc itself doesn't have springs. This setup offers a very direct and immediate engagement, which is preferred in many racing applications for precise control. The materials and construction are chosen to withstand the high heat and shock loads typical of track driving, providing a solid connection between your engine and drivetrain when you need it most. Because it’s a race-focused component, expect a firmer pedal feel and a more abrupt engagement compared to a street clutch.

This clutch kit is intended strictly for off-road and race use only. It’s a robust option for anyone building a dedicated track car or needing a clutch that can handle extreme conditions where durability and performance are paramount.