S&S CYCLE Flywheel - 4-5/8" - SE120R 320-0523

If you're running a high-output engine or pushing your S&S motor to its limits, a stock flywheel becomes your weak point. The S&S CYCLE 3-piece flywheel handles serious horsepower and sustained load cycles without failure, giving you the durability and strength required for reliable performance builds. Built from 4140 steel with an oversized crankpin, this is the flywheel engineered for engines that demand more.

This assembly drops directly into your stock crankcase with zero modifications—no machine work, no fabrication, just bolt-on simplicity. Pair it with a Timken bearing conversion for a bulletproof drivetrain foundation that won't let you down when it counts.

• Diameter: 4-5/8"
• Material: 4140 steel
• Design: 3-piece integral shaft
• Crankpin: 1.671" diameter
• Installation: Bolt-on fit
• Bearing: Timken conversion compatible
• Modifications: None required
• Origin: Made in USA
• MPN: 320-0523