What is the main difference between a sprung and unsprung clutch disc?

A sprung clutch disc has internal springs that help absorb shock and dampen vibrations, providing a smoother engagement. An unsprung clutch disc, like the one in this kit, lacks these springs for a more direct and immediate connection between the engine and transmission, which is preferred for race applications.

Is this clutch kit suitable for daily driving?

No, this SPEC Stage 4 clutch kit is specifically designed and recommended for race use only. It features an unsprung design and a firm engagement that can be difficult and uncomfortable for everyday street driving.

What else might I need to install this clutch kit?

While this kit includes the clutch disc, pressure plate, and release bearing, it's often recommended to replace the pilot bearing and resurface or replace the flywheel when installing a new clutch. Always consult the manufacturer's installation guide for a complete list of recommended parts and procedures.

Specifications

Brand: SPEC
Part #: SA874-3

Spec 99-04 Audi S3 1.8 APY AMK BAM Stage 4 Clutch Kit - Unsprung - Race Use ONLY

Name: Spec 99-04 Audi S3 1.8 APY AMK BAM Stage 4 Clutch Kit - Unsprung - Race Use ONLY
Brand: SPEC
SKU: spec-spec-99-04-audi-s3-1-8-apy-amk-bam-stage-4-clutch-kit-unsprung-race-use-onl-t14-426135
Price: 584.10 USD
Availability: BackOrder

$584.10

On Backorder

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

Spec 99-04 Audi S3 1.8 APY, AMK, BAM Stage 4 Clutch Kit: Unsprung Race Use ONLY

Key Features

This product is a Stage 4 clutch kit for 99-04 Audi S3 1.8 APY, AMK, BAM engines.
Includes a clutch disc, pressure plate, and release bearing.
Features an unsprung clutch disc for direct engagement.
Designed for race use only, capable of handling high power and torque.
Offers a firm pedal feel and immediate response for demanding applications.

This SPEC clutch kit is designed for the 1999-2004 Audi S3 with the 1.8L APY, AMK, or BAM engines. Please verify fitment for your specific vehicle.

Secure CheckoutFast Shipping631-982-0042

About this part

Product Details

This SPEC Stage 4 clutch kit for your 99-04 Audi S3 1.8 includes a high-performance clutch disc, a pressure plate, and a release bearing. This kit is designed for race use only and features an unsprung clutch disc, meaning it has no internal dampening springs. This setup is built to handle significant increases in power and torque, making it suitable for heavily modified vehicles where maximum engagement and durability under extreme conditions are critical.

The Stage 4 clutch is a serious upgrade, often paired with other performance drivetrain components to manage the power it can hold. Its unsprung design offers a more direct connection between the engine and transmission, which can feel more abrupt during engagement compared to a sprung clutch. This direct feel is preferred by many racers for its immediate response and ability to withstand the shock loads of high-horsepower applications. The pressure plate in this kit is engineered to provide a strong clamping force, ensuring the clutch disc stays engaged even under aggressive driving and high RPM shifts.

When installing a race-oriented clutch like this, it's important to remember it's not intended for daily driving. Expect a firmer pedal feel and a more demanding engagement process. This kit is a solid option if you're building a dedicated track car or drag car and need a clutch that can keep up with substantial power upgrades. Always refer to the manufacturer's installation instructions for proper setup and break-in procedures.