What is the primary benefit of a Stage 3 clutch kit?

A Stage 3 clutch kit, like this SPEC SB803, is designed to handle significantly more torque than a stock clutch. This makes it suitable for vehicles with engine modifications that increase horsepower and torque, or for drivers who demand a more robust clutch for performance driving.

What components are typically included in this SPEC clutch kit?

This SPEC Stage 3 clutch kit (SB803) generally includes the clutch disc, a heavy-duty pressure plate, a pilot bearing, and an alignment tool. These are the essential parts needed for a complete clutch replacement.

Will this clutch kit feel different to drive compared to the original clutch?

Yes, performance clutch kits often have a firmer pedal feel due to the increased clamping force of the pressure plate. Engagement will also be more direct and may require a slightly different technique to master, especially with a multi-plate design.

Specifications

Brand: SPEC
Part #: SB803

Spec 99-00 BMW 323 / 00-05 325 / 96-02 525 99-01 Z3 2.5L Stage 3 Clutch Kit

Name: Spec 99-00 BMW 323 / 00-05 325 / 96-02 525 99-01 Z3 2.5L Stage 3 Clutch Kit
Brand: SPEC
SKU: spec-spec-99-00-bmw-323-00-05-325-96-02-525-99-01-z3-2-5l-stage-3-clutch-kit-t14-4320583
Price: 582.30 USD
Availability: BackOrder

$582.30

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SPEC Stage 3 Clutch Kit SB803 for BMW 323i, 325Ci, 525i, and Z3 2.5L. Handles increased power.

Key Features

Fits 1999-2000 BMW 323i, 1999-2001 BMW Z3, 2000-2006 BMW 325Ci/i/xi, and 2001-2002 BMW 525i.
Stage 3 performance clutch kit designed to handle increased engine power.
Features a sprung, multi-plate clutch disc for improved torque capacity and smoother engagement.
Includes a heavy-duty pressure plate with increased clamping force.
Comes with a pilot bearing and alignment tool for installation.
Designed for performance applications where the stock clutch is insufficient.

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About this part

Product Details

This is the SPEC Stage 3 Clutch Kit, part number SB803, designed for a range of BMW models including the 323i, 325Ci, 525i, and Z3 with the 2.5L engine. If you're looking to handle more power than the stock clutch can manage, whether from engine modifications or just wanting a more robust setup, this kit is built for that purpose. It's a significant upgrade over the original equipment, offering a higher torque capacity suitable for performance applications.

The Stage 3 kit features a sprung, multi-plate design for the clutch disc. This means it uses multiple friction surfaces to distribute the load, which helps manage higher torque levels and can also contribute to a smoother engagement than some single-plate performance clutches. The sprung design in the hub helps absorb some of the shock and vibration that comes with a more aggressive clutch, making it a bit more manageable for daily driving compared to a rigid hub setup. The kit includes a heavy-duty pressure plate that clamps down with more force than stock, ensuring solid engagement and preventing clutch slip under load. It also comes with a pilot bearing and alignment tool, which are essential for a proper installation.

When installing a performance clutch like this, it's important to have the right tools and a clean workspace. The increased clamping force means you'll feel a firmer pedal, and engagement will be more direct. This kit is a solid option for BMW owners who have upgraded their engines and need a clutch that can keep up, offering a good balance of performance and drivability for its power handling capabilities.