The ACT XACT Streetlite flywheel for 2007–2008 Audi RS4 is a lighter-than-stock, serviceable flywheel engineered for street and drag use. Materials are distributed for strength, lower inertia and good heat tolerance, yielding quicker rev response without sacrificing rigidity. The Streetlite is resurfable and designed for durability; ACT backs it with a one-year warranty to support performance-oriented driving.
ACT 2007-2008 Audi RS4 XACT Flywheel Streetlite