PROGRESSIVE SUSPENSION 412 Series Shock - 13" - Heavy Duty - Black - FL 412-4077B

If you're running your Harley near or at maximum load capacity regularly, the stock suspension simply won't cut it. The Progressive 412 Series delivers the damping control and adjustability you need to maintain consistent handling and comfort under heavy-duty conditions. A five-position preload adjuster gives you precision tuning without breaking the bank.

• Length: 13 inches
• Fitment: Harley-specific
• Preload adjustment: 5-position cam style
• Application: Heavy-duty rated
• Material: Durable steel construction
• Installation: Bolt-on
• Measurement standard: Center-of-eyelet to center-of-eyelet
• TüV approved: Yes (verify current certificate)
• Note: 1986-2015 XL models may require chain/belt guard modification
• Note: Length variance affects steering geometry slightly
• MPN: 412-4077B
• Color: Black

Installation Tip: Confirm wheel travel clearance before installation to avoid interference with swingarm, exhaust, chain/belt guard, or tire contact points.