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The Fidanza 9.0 lb aluminum flywheel for the 2008 Evo X (4B11T) is a lightweight replacement for the 13.4 lb OEM unit, engineered to reduce rotating mass for quicker acceleration and faster throttle response. Constructed from billet 6061‑T6 or 2024 T4 aluminum with a heat‑treated friction plate, replaceable hardened 1050 steel ring gear and military‑spec fasteners for long life and reliable bolt‑on installation.
Fidanza 08 Evo 10 4B11T 9.0lb Aluminum Flywheel (13.4lb OEM)
