What is the benefit of a twin-disc clutch over a single-disc clutch?

A twin-disc clutch uses two friction surfaces instead of one, which dramatically increases the total surface area. This allows it to handle significantly more torque without slipping and can also help dissipate heat more effectively under heavy use.

What does the 'P-Trim' designation mean for this SPEC clutch?

The 'P-Trim' designation refers to a specific friction material and design developed by SPEC. It's engineered to offer a strong holding capacity suitable for performance applications while aiming for a manageable engagement feel for daily driving.

Does this clutch kit include everything needed for installation?

This kit is designed as a comprehensive upgrade and includes the necessary clutch discs and associated components for a complete clutch system replacement. It's always recommended to consult the manufacturer's installation guide for a full list of included parts and any additional items that may be required.

Specifications

Brand: SPEC
Part #: SB55PT-8.5

Spec 15-19 BMW M2/12-19 BMW M3 S55/13-19 BMW M4 P-Trim Twin Disc Clutch Kit

Name: Spec 15-19 BMW M2/12-19 BMW M3 S55/13-19 BMW M4 P-Trim Twin Disc Clutch Kit
Brand: SPEC
SKU: spec-spec-15-19-bmw-m2-12-19-bmw-m3-s55-13-19-bmw-m4-p-trim-twin-disc-clutch-kit-t14-694076
Price: 1995.80 USD
Availability: BackOrder

$1995.80

On Backorder

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

SPEC P-Trim Twin Disc Clutch Kit SB55PT-8.5 for 2015-2019 BMW M2, 2012-2019 BMW M3 S55, and 2013-2019 BMW M4. Handles high torque for performance builds.

Key Features

Fits 2015-2019 BMW M2, 2012-2019 BMW M3 S55, and 2013-2019 BMW M4.
Twin-disc design offers increased torque capacity over single-disc setups.
P-Trim friction material provides a balance of engagement and holding power.
Designed for high-performance applications and demanding driving conditions.
Includes components for a complete clutch system replacement.

This clutch kit is designed for specific BMW M2, M3 S55, and M4 models from the years 2012 through 2019. Please verify your vehicle's exact year and model before purchase.

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About this part

Product Details

SPEC is well-known for making robust drivetrain components, and this P-Trim Twin Disc Clutch Kit is a prime example of their work for high-performance BMWs. If you're driving a 2015-2019 BMW M2, a 2012-2019 BMW M3 with the S55 engine, or a 2013-2019 BMW M4, this clutch is built to handle the demands of spirited driving and track use.

This kit features a twin-disc design, which significantly increases the clutch's surface area compared to a single-disc setup. This means it can handle much higher torque loads without slipping, making it a solid choice for modified engines or if you simply want a clutch that won't quit under pressure. The P-Trim designation indicates a specific friction material and design that SPEC uses to balance engagement feel with holding power. This setup is designed to provide a firm, positive engagement, which is crucial for precise gear changes when you're pushing the car hard. The kit includes the necessary components to replace your stock clutch system, ensuring a comprehensive upgrade.

When installing a twin-disc clutch like this, it's important to follow the manufacturer's instructions carefully, as the setup and alignment are critical for proper function and longevity. This clutch is a substantial upgrade for owners looking to maximize their vehicle's performance potential and ensure their drivetrain can keep up with increased power.