What is a Stage 4 clutch designed for?

A Stage 4 clutch, like this SPEC kit, is intended for vehicles with significant power upgrades, such as turbochargers or superchargers. It's built to handle substantially more torque than a stock clutch, preventing slippage under aggressive driving conditions.

What components are included in this SPEC clutch kit?

This kit comes with the essential parts for a clutch replacement: the clutch disc, the pressure plate, and a new release bearing. These are the primary components needed to swap out your old clutch assembly.

Should I replace my flywheel when installing this clutch?

It is highly recommended to inspect your flywheel when replacing the clutch. If the flywheel shows signs of wear, glazing, or damage, it should be resurfaced or replaced to ensure proper clutch operation and longevity.

Specifications

Brand: SPEC
Part #: SB634

Spec 00-03 BMW M5 5.0L / 01 Z8 5.0L Stage 4 Clutch Kit

Name: Spec 00-03 BMW M5 5.0L / 01 Z8 5.0L Stage 4 Clutch Kit
Brand: SPEC
SKU: spec-spec-00-03-bmw-m5-5-0l-01-z8-5-0l-stage-4-clutch-kit-t14-236299
Price: 656.10 USD
Availability: BackOrder

$656.10

On Backorder

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

Fits 2000-2003 BMW M5 5.0L / 2001 BMW Z8 5.0L. This SPEC Stage 4 clutch kit includes the disc, pressure plate, and release bearing for improved holding power.

Key Features

Fits 2000-2003 BMW M5 and 2001 BMW Z8.
Includes clutch disc, pressure plate, and release bearing.
Stage 4 clutch designed for high-horsepower applications.
Features a sprung hub clutch disc for some dampening.
Heavy-duty pressure plate provides increased clamping force.
Helps prevent clutch slippage under demanding conditions.

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About this part

Product Details

When you're looking to handle more power in your 2000-2003 BMW M5 or 2001 Z8, this SPEC Stage 4 clutch kit is what you'll want. This kit includes the clutch disc, pressure plate, and release bearing, giving you the essential components to replace your worn-out clutch and prepare for increased engine output. A Stage 4 clutch is designed for vehicles that have undergone significant modifications, like forced induction or a more aggressive engine build, and need a clutch that can reliably transfer that extra power to the drivetrain without slipping.

The heart of this kit is the SPEC Stage 4 clutch disc, which features a sprung hub design for a bit of dampening to protect your transmission. It's paired with a heavy-duty pressure plate that offers a much higher clamping force than the factory unit. This increased clamping force is what allows the clutch to hold more power, preventing slippage under hard acceleration or when towing. The kit also comes with a new release bearing, ensuring smooth engagement and disengagement of the clutch pedal. SPEC is known for building well-made clutch components, and this kit is no exception, offering a solid option for M5 and Z8 owners pushing their cars beyond stock performance levels.

Installing a clutch is a significant job, often requiring the transmission to be removed. It's a good idea to inspect your flywheel at the same time and resurface or replace it if it shows signs of wear or damage. This kit is designed as a direct replacement for the factory clutch components, making the installation process as straightforward as possible, though it's always recommended to follow the manufacturer's specific installation guidelines.