What is the main benefit of a Stage 4 clutch kit?

A Stage 4 clutch kit is designed to handle significantly higher horsepower and torque than a stock clutch. It's ideal for heavily modified vehicles or those used for racing and performance driving where extreme power transfer is needed.

Does this clutch kit include a new flywheel?

This SPEC Stage 4 Clutch Kit (SB054) includes the clutch disc and pressure plate. It is recommended to inspect your existing flywheel for wear and resurface or replace it as needed during installation.

What is the expected lifespan of this clutch kit?

The lifespan of any clutch kit depends heavily on driving style, vehicle modifications, and proper installation and break-in procedures. For a Stage 4 kit used in demanding applications, lifespan will be shorter than a stock clutch under normal driving.

Specifications

Brand: SPEC
Part #: SB054

Spec 94-99 BMW 323/96-00 328/89-95 525/96-99 M3/96-98 Z3 Stage 4 Clutch Kit

Name: Spec 94-99 BMW 323/96-00 328/89-95 525/96-99 M3/96-98 Z3 Stage 4 Clutch Kit
Brand: SPEC
SKU: spec-spec-94-99-bmw-323-96-00-328-89-95-525-96-99-m3-96-98-z3-stage-4-clutch-kit-t14-268931
Price: 593.10 USD
Availability: BackOrder

$593.10

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 89-99 BMW 525i, 96-99 328i, 96-99 M3, 97-01 Z3, and more. High-performance clutch for demanding builds.

Key Features

Fits 1998-1999 BMW 323is, 1996-1999 BMW 328i/328is, 1989-1995 BMW 525i/525iT, 1996-1999 BMW M3, and 1997-2001 BMW Z3.
Stage 4 performance level, designed for high horsepower and torque applications.
Sprung, multi-plate clutch disc design helps absorb shock and reduce drivetrain stress.
Heavy-duty pressure plate provides firm engagement for efficient power transfer.
Well-built components ensure reliability under demanding conditions.
Suitable for modified engines and track use where increased power handling is required.

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Will this fit your vehicle?

About this part

Product Details

If you're pushing your BMW's engine to its limits, especially with modifications or track use, a Stage 4 clutch kit from SPEC is what you need to handle the extra power. This kit is built to manage significantly increased torque and horsepower, making it a solid choice for performance builds. It's designed to fit a range of popular BMW models, including the E36 323is, 328i, 328is, the E34 525i, the E36 M3, and the E36/E85 Z3.

This Stage 4 kit features a sprung, multi-plate design, which helps absorb shock and reduce drivetrain stress, making it more manageable for daily driving than some other high-performance options. The clutch disc itself is a high-performance unit, capable of handling extreme conditions. The kit includes a heavy-duty pressure plate that offers a firm engagement, ensuring power is transferred efficiently. SPEC uses well-built components throughout this kit to ensure reliability under demanding conditions. Installation will require careful attention to alignment and proper break-in procedures as outlined by SPEC to ensure optimal performance and longevity.

When you're upgrading your clutch for serious performance, it's important to ensure all supporting components are in good condition. Consider inspecting your flywheel for wear and ensure your pilot bearing and release bearing are in good shape before installation. This SPEC Stage 4 clutch kit is a significant upgrade for BMWs that need to put down serious power reliably.