What is the primary benefit of a multi-plate clutch design?

A multi-plate clutch increases the total friction surface area compared to a single-plate design. This allows it to handle significantly more torque and dissipate heat more effectively, reducing the risk of slippage under heavy load.

Will this clutch kit include everything I need for installation?

This is a complete clutch kit, meaning it includes the clutch disc, pressure plate, and release bearing. However, it's recommended to inspect and potentially resurface or replace your flywheel during installation, which is typically sold separately.

What kind of driving is this clutch best suited for?

The SPEC Stage 4 clutch is intended for high-performance driving, track use, and vehicles with substantial engine modifications like turbochargers or superchargers. It offers a high torque capacity but may result in a firmer pedal feel and a more aggressive engagement than a stock clutch.

Specifications

Brand: SPEC
Part #: SN354

Spec 03-06 350z Stage 4 Clutch kit

Name: Spec 03-06 350z Stage 4 Clutch kit
Brand: SPEC
SKU: spec-spec-03-06-350z-stage-4-clutch-kit-t14-1819
Price: 593.10 USD
Availability: BackOrder

$593.10

On Backorder

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Key Features

Fits 2003-2006 Nissan 350Z.
Stage 4 multi-plate clutch kit designed for high-horsepower applications.
Sprung hub design helps absorb shock and vibration for improved drivability.
Increased friction surface area for superior torque capacity and heat dissipation.
Built to handle significant engine modifications, including forced induction.
Includes necessary components for a complete clutch replacement.

This clutch kit is specifically designed for the 2003, 2004, 2005, and 2006 model years of the Nissan 350Z.

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About this part

Product Details

This is the SPEC Stage 4 clutch kit for the 2003-2006 Nissan 350Z. If you've significantly modified your VQ35DE engine, especially with forced induction or a high-revving setup, this clutch is built to handle the extra power and torque you're putting down. It's designed to be a direct replacement for your stock clutch assembly, but with a much higher capacity for performance applications.

The Stage 4 kit features a sprung, multi-plate design. This setup is crucial for managing the increased stress from higher horsepower. The sprung hub helps absorb shock and vibration, which is important for drivability, even with a performance clutch. The multi-plate configuration increases the surface area for engagement, allowing it to dissipate heat more effectively and handle more torque without slipping. This means you get a solid, consistent engagement when you need it most, whether you're launching hard or shifting quickly at high RPMs. SPEC uses a specific friction material blend in their Stage 4 kits that balances holding power with a reasonable lifespan for a performance application.

When installing a Stage 4 clutch like this, it's important to have the right tools and a solid understanding of clutch replacement procedures. You'll typically need to remove the transmission to access the clutch components. It's also a good time to inspect your flywheel for wear or damage, and consider resurfacing or replacing it if necessary. While this clutch is designed for high-performance use, expect a firmer pedal feel and potentially a more abrupt engagement compared to a stock clutch. This is normal for a clutch of this caliber, built for serious power handling.