Description

Progressive 13″ 412 Series Shocks for 1958-2003 Harley-Davidson Big Twin and Sportster

Looking for a vast improvement over stock suspension? Progressive’s 412-series shocks ride will outperform your stock shocks. 

• Made in USA
• Black finish
• Set of two
• 13″ length
• Choice of Standard or Heavy Duty
  • Heavy Duty shocks are specifically designed for bikes that are operated at or near the manufacturer’s maximum load rating over 50% of the time
• Suitable for use on many Sportster and Big Twin applications including FX, FXR, Touring, and Dyna
• Kit includes bushings, spacer kit, and preload spanner

Double-walled steel bodies are nitrogen charged, and velocity-sensitive valving handles damping duties. The five position cam-style preload adjuster allows you to make quick setup adjustments. Grab a set of 412’s for your bike today and feel the difference!