Ironman Unsprung Clutch Kit for BMW 323ci 2001-2003 2.5L DOHC 2 Door Only RWD Includes Lightened Flywheel Alignment Tool Model:AT83Break-in Care:500 street miles. Keep RPM's under 4500 no more than half-throttle no boost (if applicable). Proper break-in is required in order to retain product warranty ensure longevity and holding capacity.Clutch Disk Diameter:235 MMClutch Disk Model:ACR-IRN-235 1 1/8X10T-RClutch Disk Spline Count:10Clutch Disk Spline Diameter:1 1/8 INClutch Kit Type:Ironman Unsprung Clutch KitDisclaimer:Using a clutch kit with an unsprung clutch disc on a stock or lightly modified power engine that is daily/street driven vehicle can break the rivets on the clutch disc hub. Unsprung clutch kits are not designed for daily/street use or any constant on/off engagement environment. This can be compared to running a marathon in sandals vs a proper running shoe. If you were to run the marathon ins sandals you have no cushion or comfort and can cause injuries or wear you down faster than using proper running shoes. Increase in holding capacity is rated in Crank Torque not Wheel TorqueFlywheel Model:AC111FWFlywheel Style:Lightened FlywheelPackage Contents:Unsprung American Sintered Iron DiscPilot Bearing Model:PB-6002-2RSPressure Plate Model:3082 281 031HD R 9.5KNProp 65 Yes/No:YesRelease Bearing Model:SN3759