Progressive Suspension 444 Series Shocks for Harley-Davidson Models
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Progressive Suspension 444 Series Shocks for Harley-Davidson Models• After more than a decade of ruling the roads with their famous 440 Series shocks with IAS, Progressive Suspension has unveiled another breakthrough design• It is dubbed Frequency Sensing Technology (FST) for its unique ability to dynamically adjust damping as you ride• Frequency Sensing Technology allows the shocks to sense the frequency of a bump and automatically adjust damping for superior ride quality• These shocks also feature deflective disc valving, hand adjustable spring pre-load (no special tools needed), and progressive rate springs• High pressure gas charged for consistent performance• Sold in pairs• Lifetime Limited Warranty
|Manufacturer Part Number:||444-4057C||Sold in Units:||Pair|
|Standard or Heavy Duty:||Heavy Duty|
- V-Rod Black VRSCB : 2004–2005
- V-Rod Night Rod VRSCD : 2006
- V-Rod Street Rod VRSCR : 2006
- V-Rod VRSCA : 2002–2006
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