Description
Harley riders know that suspension performance directly impacts comfort, handling, and safety—especially on longer rides or aggressive riding. The Progressive 412 Series Shock delivers tunable suspension geometry with a straightforward design that lets you dial in preload to match your bike’s load and riding style, all without breaking the bank. Whether you’re running stock or modified geometry, these shocks give you the adjustability to optimize your motorcycle’s handling characteristics.
- Manufacturer: Progressive Suspension
- Part Number: 412-4003C
- Length: 13.5″ (center-of-eyelet)
- Finish: Chrome
- Preload Adjustment: 5-position cam
- Application: Harley-Davidson models
- Installation: Bolt-on
- TüV Approved: Yes*
- Material: Steel construction
- Design: Cost-effective, durable
- Note: XL models (1986-2015) may require chain/belt guard modification for clearance
- Note: Length variance affects steering geometry—confirm wheel travel clearance before install






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