Compare Maximum number of 4 items selected Pioneer Inc. Clutch Flywheel - FW137 Part #: FW137 Line: PIO Pioneer Inc. Clutch Flywheel 1 Year Limited Warranty Material: Iron Number Of Teeth: 138 Bolt Circle Diameter (mm): 90mm Bolt Circle Diameter (in): 3.550 Inch Counterweight Weight (Lbs): 0 Lbs. Flywheel Type: Solid Number Of Crankshaft Mounting Flange Bolt Holes: 6 Ring Gear Outside Diameter (in): 14.146 Inch Ring Gear Outside Diameter (mm): 359mm Show More Show Less