Description
If you’re running your Harley at or near maximum load capacity regularly, stock shocks won’t cut it. Progressive’s 412 Series Heavy Duty shocks are engineered to handle sustained high-load riding while maintaining consistent performance and comfort. The adjustable preload lets you fine-tune your suspension geometry to match your riding style and weight distribution—no guesswork required.
- Length: 13 inches
- Measurement: Center-of-eyelet to center-of-eyelet
- Fitment: Harley-Davidson models
- Spring preload: Five-position cam adjuster
- Construction: Heavy-duty rated
- Finish: Chrome
- Manufacturer part number: 412-4077C
- Installation: Bolt-on
- Certification: TüV approved
- Load rating: Designed for sustained maximum-load operation
- Note: XL models (1986–2015) may require chain/belt guard modification for clearance
- Note: Verify wheel travel compatibility before installation to avoid swingarm, exhaust, or tire contact
