IN STOCK READY TO SHIP! Our Lightweight Sport Flywheel Replaces The Heavier Original Equipment (O.E.) Dual-Mass Flywheel. This is Perfect For A Porsche 964/993 3.6L DME Engine Conversion or a 911 3.0L / 3.2L EFI Conversion To 915 / 901** Transmissions. This Sport Flywheel Is Great For Upgraded Performance Engines That Need A Flywheel Timing Reference For Engine Management Systems Like Motec Or Aftermarket EFI Conversions - Etc. 1978-1998 Porsche 911 / 964 / 993 Engines Mated To 1965-1986 915 / 901* Transmissions 225mm Clutch Compatible / 9 Bolt Crankshaft / 60-2 Tooth Timing Reference / With Installed Low Profile RS Pilot Bearing - In-House Precision Machined Billet Steel - Certified Balanced - Weight: 9.50 lbs - Another Patrick Motorsports Exclusive! Made In-House - Sold Each - 1 Per Engine NOTE: The 901 / 914 Transmissions Require 228mm Adapter Number CLU 901 228 CKS PMS (Link) IMPORTANT NOTE: The Flywheel Crank Reference Sensor Gap Should Be Between 0.028" To 0.032" (0.8mm) All Patrick Motorsports Flywheels Are Precision Balanced Before Shipping! NOTE: Use With # ENG 901 915 930 G50 SBH PMS - Engine To Transmission Case Mounting Stud Set NOTE: Use With # ENG 964 101 187 01 - Support Bracket For Crankshaft Pulse Sender Reference Sensor Use With Part Numbers: 911 606 217 03 SS And LT; 996 606 105 00 - Crankshaft Pulse Sender Reference Sensor Another - Patrick Motorsports Exclusive Package - Made In The U.S.A. Alternate Part Numbers: FLW 225 9EFI DME602 PMS / FLW2259EFIDME602PMS / FLW 225 36DME LW PMS / FLW-225-36DME-LW-PMS / FLW.225.36DME.LW.PMS / FLW22536DMELWPMS https://patrickmotorsports.com/pages/clutch-flywheel-technical-information 01/16/2026