How is this flywheel different from the stock one?

The ACT Streetlite flywheel is significantly lighter than the factory original. This reduction in rotational mass allows your engine to rev up more quickly, leading to improved acceleration.

Can this flywheel be resurfaced?

Yes, ACT flywheels are designed to be serviceable. If it needs resurfacing, you can do so without needing to purchase any additional special parts.

What are the benefits of a lighter flywheel for my Audi S4?

A lighter flywheel, like the ACT Streetlite, reduces rotational inertia. This means your engine can spin up faster, which is beneficial for quicker acceleration, especially in street driving and drag racing scenarios.

ACT 04-09 Audi S4 B6/B7 XACT Flywheel Streetlite

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ACT

ACT 04-09 Audi S4 B6/B7 XACT Flywheel Streetlite

Name: ACT 04-09 Audi S4 B6/B7 XACT Flywheel Streetlite
Brand: ACT
Price: 1212.21 USD
Availability: InStock

$1212.21

ACT's Streetlite flywheel for your 04-09 Audi S4. It's lighter than stock for better acceleration and is built to last.

Key Features

Streetlite flywheel — considerably lighter than stock for improved acceleration.
Well-built for street or drag racing applications.
Materials are distributed for maximum strength, lower inertia, and good heat tolerance.
Serviceable and can be resurfaced without needing extra parts.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

Fits this vehicle

Audi S4 2004-2009

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Product Details

XACT Flywheel Streetlite

600590 is a Streetlite flywheel, which is considerably lighter than stock and is the most durable flywheel offering from ACT. Materials are properly distributed for maximum strength, lower inertia, good heat tolerance and rigidity. ACT's Streetlite flywheels are preferred for street or drag racing. ACT flywheels are serviceable and can be resurfaced with no need to purchase additional parts.