What is the primary benefit of the carbon-ceramic friction material in this clutch disc?

The carbon-ceramic friction material is chosen for its superior ability to withstand higher operating temperatures compared to traditional organic or Kevlar materials. This makes the clutch more resistant to fade during aggressive driving or track use, ensuring consistent performance.

Does this clutch kit include everything needed for installation?

This SPEC Stage 3+ clutch kit typically includes the pressure plate, the clutch disc, and a release bearing. It is always recommended to consult the manufacturer's installation guide to confirm all included components and any additional items you might need for a complete installation.

How does the sprung clutch disc differ from a solid hub disc?

A sprung clutch disc has springs integrated into the hub, which help to absorb torsional vibrations and shock from the drivetrain. This generally results in a smoother engagement feel compared to a solid hub disc, which can be more abrupt, especially in high-performance applications.

Specifications

Brand: SPEC
Part #: SB073F

Spec 3/03-06 BMW 325 2.5L 6spd/04-06 330 (E46) 6spd ZHP/04-05 530 3.0L 6spd ZHP Stage 3+ Clutch Kit

Name: Spec 3/03-06 BMW 325 2.5L 6spd/04-06 330 (E46) 6spd ZHP/04-05 530 3.0L 6spd ZHP Stage 3+ Clutch Kit
Brand: SPEC
SKU: spec-spec-3-03-06-bmw-325-2-5l-6spd-04-06-330-e46-6spd-zhp-04-05-530-3-0l-6spd-z-t14-307710
Price: 897.56 USD
Availability: BackOrder

$897.56

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SPEC Stage 3+ clutch kit for BMW 325, 330, 530, and Z4 models. Handles increased power and torque for spirited driving.

Key Features

Fits 2003-2005 BMW 325Ci, 325i, 325xi, 330Ci, 330i, 330xi, 2004-2005 BMW 530i, and 2003-2005 BMW Z4 models with a 6-speed manual transmission.
Stage 3+ performance level designed for significantly increased torque and horsepower capacity.
Features a sprung clutch disc with a carbon-ceramic friction material for high-temperature resistance and durability.
Includes a high-clamping force pressure plate to ensure positive engagement and power transfer.
Sprung hub design helps absorb drivetrain shock for improved engagement feel.
Suitable for modified vehicles and demanding driving conditions.

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About this part

Product Details

This SPEC Stage 3+ clutch kit features a high-performance sprung clutch disc with a carbon-ceramic friction material. This combination is built to handle significantly more torque and horsepower than the factory clutch, making it a solid choice for BMWs that have been modified for increased performance or are used in demanding driving situations. The sprung design of the disc helps to absorb drivetrain shock, providing a smoother engagement than a solid hub disc, even with its higher clamping force.

The kit includes a high-clamping force pressure plate, engineered to provide the necessary grip for the carbon-ceramic disc. This pressure plate works in conjunction with the disc to ensure reliable power transfer, even under aggressive acceleration. The carbon-ceramic friction material is known for its ability to withstand higher temperatures compared to organic or Kevlar materials, which is crucial for preventing clutch fade during spirited driving or track use. This kit is designed to fit a range of BMW models, including the 2003-2005 325Ci, 325i, 325xi, 330Ci, 330i, 330xi, the 2004-2005 530i, and the 2003-2005 Z4, all equipped with a 6-speed manual transmission.

When installing this clutch kit, it's important to have all the necessary components ready. The kit typically includes the pressure plate, the clutch disc, and a release bearing. Always refer to the manufacturer's installation instructions for specific details regarding torque specifications and any special procedures required for your BMW model. Proper installation is key to ensuring the longevity and performance of the clutch system.