S&S CYCLE Replacement Flywheel Assembly — 4-3/8" stroke, A motor, 4140 steel – 07-17 Dyna, 07-16 Touring, 09-16 Trike, 07-17 Softail

⚙️ Replacement flywheel assembly built for high-performance big-bore and big-inch engines. Dynamically balanced and fully assembled for reliable operation.

• For 96"/103"/106" big bore | 110"/117" engine with stock or S&S pistons (will be noted)
• Fully assembled with premium quality S&S® heavy duty 7.659" connecting rods, with full width wrist pin ends, and dynamically balanced
• Trued to less than .0005" runout on pinion and sprocket shaft bearing surfaces, making them capable of higher rpm and fully compatible with gear drive cams
• CNC machined from heat-treated, closed die, steel forgings, which are 114% stronger than late style stock steel flywheels
• The only joints in the assembly are where the 1.671" diameter connecting rod crankpin is pressed into the flywheels
• Pinion and sprocket shafts are forged as part of the flywheel
• Made in the USA 🇺🇸

Designed for durability and higher rpm use; reference engine fitment and piston type before ordering. Installation should be performed by a qualified technician.