PROGRESSIVE SUSPENSION 412 Series Shock - 11.5" - Heavy Duty - Chrome - XL - '04-'19 412-4066C

If you're running your Harley near or beyond stock load capacity regularly, the stock suspension won't cut it. The Progressive 412 Series Heavy Duty Shock is engineered specifically for sustained high-load operation, delivering better stability and comfort without the need for expensive custom fabrication. With a five-position preload adjuster, you get precise tuning to match your riding style and load conditions.

Key Technical Specifications:

• Length: 11.5" center-to-eyelet
• Material: Chrome-finished steel
• Fitment: Harley XL models '04-'19
• Spring preload: Five-position cam adjuster
• Installation: Bolt-on, no fabrication required
• Design: Heavy-duty rated for sustained maximum load
• TüV approved (certification varies)
• Note: May require chain/belt guard modification
• Note: Longer length slightly quickens steering geometry
• Measurement standard: Center-of-eyelet to center-of-eyelet
• MPN: 412-4066C

Installation Consideration: Before purchasing, confirm your bike has adequate wheel travel clearance. Monitor for potential swingarm-to-exhaust, chain/belt guard, or tire contact during full suspension compression.