Description ACT 3000801 – 2000 BMW 323Ci Perf Street Sprung Disc Perf Street Sprung Disc “Excellence in Performance”, backed by the best one-year warranty in the industry! Part Fitment Requirement: Must be used with ACT flywheel and pressure plate.Product Weight (lbs.): 3.5SFI: 1.1Diameter: 9.4Diameter: 240Spline Quantity: 10Disc Material: OrganicSplined Bore Diameter: 1.125.