S&S Cycle Motor Sprocket Shaft Assembly for 1970-1999 Harley-Davidson Big Twin S&S Flywheels

S&S Cycle Motor Sprocket Shaft Assembly for 1970-1999 Harley-Davidson Big Twin S&S Flywheels

A motor sprocket shaft is a critical component that transmits all engine output to the primary drive, and the tolerances it is built to determine how smoothly that transfer happens across the full operating range. S&S manufactures these assemblies for builders working with S&S flywheel components, providing a matched, complete set that simplifies assembly and ensures proper primary engagement.

Key Features

• Complete assembly includes tapered shaft, nut, and keys
• Designed for use with S&S SE and SL standard-diameter bearing flywheels
• Tapered design provides secure, positive shaft retention
• Made in the USA
• Matched dimensions for correct primary sprocket alignment

Technical Specifications

• Includes: Tapered shaft, nut, and keys
• Bearing Compatibility: Standard diameter bearing
• Compatible Flywheels: S&S SE and SL series
• Origin: Made in the USA
• Part Number: 33-2004

Fitment Notes

• Designed for use with S&S SE and SL standard-diameter bearing flywheels; not interchangeable with non-S&S flywheel assemblies
• Verify flywheel series and bearing diameter before ordering
• Review the Fitment tab for complete year and model breakdown