225mm RSR Lightweight Flywheel1978-1989 Porsche 911 Carrera / 915 TransmissionsFor 9 Bolt Crankshafts With Carbureted EnginesCNC Machined In-House - Billet Steel 6.7 Lbs. (2.84 Kg.) Another Patrick Motorsports Exclusive! - Sold Each - 1 Per Engine With Less Rotational Inertia - The Engine Is Able To Respond To Throttle Inputs Quicker. Heel-Toe Downshifting Is Made Easier With Less Throttle Required To Match Engine Speed. Less Moment Of Inertia Helps The Vehicle Accelerate More Quickly And Decreases Time Required To Shift As Engine Speed Drops Faster.Includes: Installed 35mm RS Pilot Bearing NOTE: Also Compatible With 225mm Upgraded 901 / 914 Transmissions Replaces Part Numbers: 930 102 204 03 - Flywheel - 11.73 Lbs. (5.32 Kg) Replaces Part Numbers: 930 102 215 00 - Flywheel - 11.56 Lbs. (5.24 Kg) Alternate Part Numbers: FLW 225 9 RSR PMS / FLW-225-9-RSR-PMS / FLW.225.9.RSR.PMS / FLW2259RSRPMS / FLW 225 9 LW PMS / FLW-225-9-LW-PMS / FLW.225.9.LW.PMS / FLW2259LWPMS / FLW 2259LWFW PMP / FLW-2259LWFW-PMP / FLW.2259LWFW.PMP / FLW2259LWFWPMP 03/16/2026