What is the main benefit of a steel flywheel over a stock one?

A steel flywheel, like this one from SPEC, is generally more durable than a stock flywheel, especially under demanding conditions. It's well-built to resist heat and wear, offering a longer service life and consistent performance.

Does this flywheel come with any hardware or alignment tools?

This SPEC flywheel is sold as the flywheel itself. It does not typically include mounting bolts or alignment tools, which are usually part of a clutch kit or purchased separately.

What other parts should I consider replacing when installing a new flywheel?

When replacing your flywheel, it's highly recommended to also replace the clutch disc, pressure plate, and release bearing. Inspecting and potentially replacing the pilot bearing and rear main seal at this time is also a common practice.

SPEC Steel Flywheel 4.2L 04-09 Audi S4/RS4 SA44S

Name: Spec 04-09 Audi S4/RS4 4.2L Steel Flywheel w/ 8 Crank Holes
Brand: SPEC
SKU: spec-spec-04-09-audi-s4-rs4-4-2l-steel-flywheel-w-8-crank-holes-t14-25728
Price: 797.72 USD
Availability: BackOrder

Spec 04-09 Audi S4/RS4 4.2L Steel Flywheel w/ 8 Crank Holes

$797.72

On Backorder

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

Spec 04-09 Audi S4/RS4 4.2L Steel Flywheel w/ 8 Crank Holes

Key Features

Fits 2004-2009 Audi S4 and RS4 with the 4.2L engine.
Durable steel construction for long service life.
Features 8 crank holes for accurate engine timing and sensor operation.
Designed as a direct replacement for the factory flywheel.
Well-built to handle the stresses of daily driving and performance use.

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Product Details

This is a steel flywheel from SPEC, designed specifically for the 2004-2009 Audi S4 and RS4 models equipped with the 4.2L engine. A flywheel is a crucial part of your drivetrain, acting as a rotational energy reservoir that smooths out power delivery from the engine to the transmission. This SPEC flywheel is built to handle the demands of performance driving and everyday use, offering a solid upgrade over a worn or stock unit.

Constructed from durable steel, this flywheel is well-built to withstand the high temperatures and stresses generated during clutch engagement and disengagement. It features 8 crank holes, which is important for proper engine timing and sensor reading on these specific Audi models. Choosing a steel flywheel like this one from SPEC means you're opting for a component that balances strength with a reasonable weight for good throttle response. It’s a popular choice for owners looking to replace their original flywheel with a reliable, long-lasting part that maintains the car's driving characteristics while offering improved durability.

When replacing your flywheel, it's often a good time to also consider replacing your clutch kit, pilot bearing, and rear main seal, as these components are easily accessible with the flywheel removed. This SPEC flywheel is designed as a direct replacement, meaning it should bolt up to your existing drivetrain components without requiring modifications, provided your clutch and transmission are in good condition. Always refer to the manufacturer's installation instructions for the most accurate guidance.