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Home > Suspension > Progessive Suspension > Model 440 I.A.S. Shocks by Progressive Suspension

Model 440 I.A.S. Shocks by Progressive Suspension


Harley Davidson Parts - Model 440 I.A.S. Shocks by Progressive Suspension

I.A.S. means Inertia Active System. This leading edge system allows the shock to respond better to sudden movements of the rear wheel without transferring the jolts to the rider. The special inertia valve determines whether the soft (wheel) circuit or hard (chassis) circuit is used. All three circuits, compression as well as soft and firm rebound, are velocity sensitive. Shock selection should be based on intended use. "Heavy Duty" applications are recommended for bikes with additional add-on accessories, rider weight over 200 pounds, or passenger use over 50% of the time. All measurements are eye-to-eye. Sold in pairs.


  Options Our Price
2158211 Inch Polished Aluminum Heavy-Duty Shocks Fit FXR and Sportster® 1979-1999
 $534.95
21561Fit all V-Rod™ models from 2002 thru 2003. 13 inch
 $534.95
21570Fit all FLT, FLHT, FLHS and FLHR models from 1980 thru 2003. 12.5 inch
 $534.95
21571Fit all FLT, FLHT, FLHS and FLHR models from 1980 thru 2003. 13 inch
 $534.95
21572Fit all FLT, FLHT, FLHS and FLHR models from 1980 thru 2003. 13.5 inch
 $534.95
21578Fit all FXR and Sportster® models from 1979 thru 2003. 11.5 inch
 $534.95
21579Fit all FLT, FLHT, FLHS and FLHR models from 1980 thru 2003. 12.5 inch
 $534.95
21580Fit all FLT, FLHT, FLHS and FLHR models from 1980 thru 2003. 13 inch
 $534.95
21581Fit all FLT, FLHT, FLHS and FLHR models from 1980 thru 2003. 13.5 inch
 $534.95
21587Fit all Dyna Glide models from 1991 thru 2005. 12 inch
 $534.95
21588Fit all Dyna Glide models from 1991 thru 2003. 12.5 inch
 $534.95
21590Fit all FXR and Sportster® models from 1979 thru 2003. 12 inch
 $534.95
21591Fit all Dyna Glide models from 1991 thru 2003. 13 inch
 $534.95
21593Fit all Dyna Glide models from 1991 thru 2003. 11.5 inch
 $534.95

Quantity:

please note: this product may not be exactly as illustrated.

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Chopperscycle.com - Harley Davidson Parts and Accessories
Chopperscycle.com - Harley Davidson® Parts and Accessories

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