| Brand | Progressive Suspension |
|---|---|
| Manufacturer Part Number | 11-1536 |
Check the listing for details. PROGRESSIVE SUSPENSION 11-1536 Heavy-Duty Fork Spring Kit. Condition: New. Listed at 139.95 USD. Heavy-duty version of the Progressive Suspension fork springs. Include Progressive Suspension rate springs combined with preload spacers. SPRING KIT. SPRING RATE. 1949-1957 Harley-Davidson Hydra Glide FL - -.