S&S CYCLE Flywheel Assembly — 107", 4-3/8" – 18-23 Softail, 17-23 Touring, 17-23 Trike, 17-23 CVO

⚙️ Built for reliability and straightforward installation, this flywheel assembly is engineered for gear drive camshafts. The unit is precision machined to maintain consistent balance and includes a pre-installed balance gear to simplify fitment.

• Consistent balance and precision machining for smooth operation
• Balance gear installed for easy installation
• Strong assembly eliminates the need to weld the crankpin
• Heat-treated steel is harder and twice as strong as stock
• Connecting rods designed with finite element analysis (FEA) to remove weak spots
• Includes flywheel, crankpin and connecting rods
• Made in the USA
• Not recommended for compression ratios higher than 10.0:1 for Tri Glide and other three-wheel models (including conversion)
• Displacement is with S&S cylinders and pistons

For application guidance or fitment questions, contact your S&S dealer.