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Action Clutch Ironman Unsprung kit for 1997–1998 BMW Z3 2.8L (M52) with lightened flywheel is built for dedicated, high‑powered race vehicles. It uses American sintered iron friction material, a dual clamp load heavy‑duty pressure plate and an aggressive unsprung engagement for on/off control without induced chatter; users may notice light engagement noise. This track‑only solution boosts holding capacity approximately 250% over factory and includes enclosed spring retainers.
Action Clutch 97-98 BMW Z3 2.8L (M52) Ironman Unsprung Clutch Kit w/Lightened Flywheel
