LuK Clutch Flywheel - 21217519493

USP Motorsports is pleased to offer LuK products. LuK is a trusted brand known for its high-quality automotive clutch systems and components. With a focus on precision engineering, durability, and performance, LuK delivers a wide range of products designed to provide smooth and reliable power transfer in manual transmission vehicles. From clutch kits and flywheels to hydraulic release systems and clutch master cylinders, LuK offers reliable solutions that meet or exceed OEM standards. Trust the excellence of LuK products for superior clutch performance and longevity, available at USP Motorsports.

Over 30 years ago, Schaeffler engineers under the LuK product brand developed a revolutionary technology for damping torsional vibrations in the drivetrain : the dual mass flywheel (DMF). Unlike a conventional flywheel, the DMF consists of two masses which are mounted to rotate against each other. A damping system in the form of arc springs is integrated into the DMF. Thus, it absorbs the torsional vibrations of the engine almost completely.

Product Attributes:

• Bolt Hole Pattern: 2
• Bolt hole PCD clutch pres.plte: 10.236
• Bolt hole PCD clutch pres.plte: 260
• Bolt hole PCD crankshaft: 2.835
• Bolt hole PCD crankshaft: 72
• Centering diameter / dowel hole: 10.236
• Centering diameter / dowel hole: 260
• Crank Hole Dia.: .504
• Crank Hole Dia.: 12.8
• Crank To Friction Surface: 1.681
• Crank To Friction Surface: 42.7
• Cup depth, secondary flywheel: -.362
• Cup depth, secondary flywheel: -9.2
• Dowel hole diameter: .394
• Dowel hole diameter: 10
• Dowel Hole Pattern: 5
• Flywheel Friction Surface Inner diameter: 152
• Flywheel Friction Surface Inner diameter: 5.984
• Flywheel friction surface outer diameter: 240
• Flywheel friction surface outer diameter: 9.449
• Flywheel Thickness [mm]: 2.488
• Flywheel Thickness [mm]: 63.2
• I.D. for Pilot: 1.173
• I.D. for Pilot: 29.8
• Number of teeth, starter ring gear: 113
• Overall Casting O.D.: 11.386
• Overall Casting O.D.: 289.2
• Ring Gear Major Dia.: 11.299
• Ring Gear Major Dia.: 287
• Ring Gear Mounting O.D.: 10.433
• Ring Gear Mounting O.D.: 265
• Ring Gear Number: L-09180-0135-00
• Ring Gear Thickness: .362
• Ring Gear Thickness: 9.2
• Ring Gear To Friction Surface: 1.563
• Ring Gear To Friction Surface: 39.7
• Torque Capacity DMFW: 10.984
• Torque Capacity DMFW: 279

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