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The Ironman Sprung kit from Action Clutch is a sprung single-plate clutch engineered for high-powered race vehicles seeking durable, aggressive engagement. It features American sintered iron friction material with a dual-clamp heavy-duty pressure plate and fully enclosed spring retainers to prevent spring failures. Intended for track use only, this kit offers about 250% increased holding capacity over factory units and may introduce some engagement noise or gear rattle during operation for BMW Z4 3.0L (2003–2005).
Action Clutch 03-05 BMW Z4 3.0L Ironman Sprung (Street) Clutch Kit
