Product Description

S&S CYCLE Flywheel Assembly – 4-5/8″ – 124″ Big Twin ’84-’99

Key Features

• Replaces the original flywheels in S&S® 124″ V124 engine for ’84-’99 Big Twin
• Pinion and sprocket shafts are forged as part of the flywheel
• The only joints in the assembly are where the 1.671″ diameter connecting rod crankpin is pressed into the flywheels
• CNC machined from heat-treated, closed die, steel forgings, which are 114% stronger than late style stock steel flywheels
• Fully assembled with premium quaility S&S® heavy duty 7.667″ connecting rods, with full width wrist pin ends, and dynamically balanced
• Assembly is trued to less than .0005″ runout on pinion and sprocket shaft bearing surfaces, making them capable of higher rpm
• Three piece design
• Left side flywheel is notched for crank position sensor.
• Balanced for S&S stock bore and 3-5/8″ stroker pistons.

Technical Specifications

• Weight: 38.60 lbs
• Supplier Number: 320-0477
• Unit of Measure: Each

Current Warehouse Inventory

Stock by Location:

• ✓ Janesville, WI: 9 units
• ✗ Batavia, NY: 0 units
• ✗ Dallas, TX: 0 units
• ✗ Fresno, CA: 0 units
• ✗ Reno, NV: 0 units
• ✗ Asheville, NC: 0 units
• ✓ National: 9 units

Total Available: 18 units