What is the main benefit of a Stage 3+ clutch kit compared to a stock clutch?

A Stage 3+ clutch kit, like this SPEC SB103F, offers significantly increased torque holding capacity. This is essential for vehicles that have been modified to produce more horsepower and torque than the original engine, preventing clutch slip under heavy load.

Does this clutch kit come with all the necessary parts for installation?

This SPEC clutch kit is designed as a complete replacement for your existing clutch system. It includes the pressure plate and clutch disc, and typically all necessary components for a full clutch job. Always refer to the manufacturer's included parts list to confirm.

How does the sprung disc in this clutch affect driving feel?

The sprung center in the clutch disc helps to absorb some of the torsional vibrations and shock from the drivetrain. This can make the engagement feel a bit smoother and more comfortable for street driving compared to a solid unsprung disc, while still providing strong performance.

Spec 82-86 BMW 325 2.7L E30/E/ES / 86-93 325 2.5L E30/I/IS/IC / 82-4/86 528 2.7L Stage 3+ Clutch Kit

Specifications

Brand: SPEC
Part #: SB103F

Spec 82-86 BMW 325 2.7L E30/E/ES / 86-93 325 2.5L E30/I/IS/IC / 82-4/86 528 2.7L Stage 3+ Clutch Kit

Name: Spec 82-86 BMW 325 2.7L E30/E/ES / 86-93 325 2.5L E30/I/IS/IC / 82-4/86 528 2.7L Stage 3+ Clutch Kit
Brand: SPEC
SKU: spec-spec-82-86-bmw-325-2-7l-e30-e-es-86-93-325-2-5l-e30-i-is-ic-82-4-86-528-2-7-t14-268839
Price: 637.98 USD
Availability: InStock

$637.98

Only 1 left in stock

SPEC Stage 3+ clutch kit for BMW 325i, 325is, 325iX, 325e, 325es, and 528e. Offers improved engagement and holding power for modified engines.

Key Features

Fits BMW 325e (1984-1986), 325es (1986), 325i (1987-1991), 325iX (1988-1991), 325is (1987-1991), and 528e (1982-1986).
Stage 3+ performance rating indicates significantly increased torque holding capacity over stock.
Multi-plate sprung disc design helps manage engagement and absorb some drivetrain shock.
High-clamp pressure plate ensures positive engagement and prevents slippage under high load.
Designed for modified BMW engines requiring more power handling than the original clutch can provide.

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Will this fit your vehicle?

Product Details

This SPEC Stage 3+ clutch kit uses a sprung, multi-plate design, which helps manage the increased torque capacity while still offering a more comfortable pedal feel than a solid unsprung unit. It’s built to handle the demands of modified BMW engines, especially those looking for a significant jump in horsepower and torque. If you're pushing your E30 325i, 325is, or 528e beyond stock, this clutch is designed to keep up.

The Stage 3+ designation means this kit is a serious upgrade over the factory clutch. It features a high-clamp pressure plate that works with the multi-plate disc to provide substantially more holding power. This is crucial for preventing clutch slip when you're putting down significantly more power than the original engine produced. The sprung center in the disc helps absorb some of the shock and vibration, making it more streetable than a solid disc setup, though it's still geared towards performance driving and track use. You'll notice a more direct engagement when you shift gears.

When installing this clutch kit, remember that it's a performance-oriented component. While it fits a range of BMW models including the 325e, 325es, 325i, 325iX, 325is, and 528e, it's important to ensure your flywheel is in good condition or resurfaced to spec. This kit includes the necessary components for a full clutch replacement, allowing you to get your drivetrain back to performing at its best. It’s a solid choice for enthusiasts looking to maximize their vehicle's power delivery.