The SPEC steel flywheel for 2004–2009 Audi S4/RS4 4.2L is a direct-fit replacement flywheel with eight crank bolt holes, intended to replace the OEM unit and provide a sturdy, serviceable surface for the clutch. It serves builders and technicians who need a durable steel flywheel option compatible with the factory crank attachment pattern on these V8 Audi models.
Spec 04-09 Audi S4/RS4 4.2L Steel Flywheel w/ 8 Crank Holes