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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
2181811 Inch Black Standard-Duty Shocks Fit FXR and Sportster® 1979-1999 1991-1999
 $534.95
21815Fits all FLT, FLHT, FLHS and FLHR models from 1980 thru 2003. 12.5 inch
 $534.95
21816Fits all FLT, FLHT, FLHS and FLHR models from 1980 thru 2003. 13 inch
 $534.95
21817Fits all FLT, FLHT, FLHS and FLHR models from 1980 thru 2003. 13.5 inch
 $534.95
21819Fits all FXR and Sportster® models from 1979 thru 2005. 11.5 inch
 $534.95
21820Fits all FXR and Sportster® models from 1979 thru 2005. 12.5 inch
 $534.95
21821Fits all FXR and Sportster® models from 1979 thru 2005. 13 inch
 $507.38
21822Fits all FXR and Sportster® models from 1979 thru 2005. 13.5 inch
 $534.95
21828Fits all Dyna Glide models from 1991 thru 2003. 12 inch
 $507.38
21829Fits all Dyna Glide models from 1991 thru 2003. 12.5 inch
 $507.38
21830Fits all Dyna Glide models from 1991 thru 2003. 13 inch
 $507.38
21833Fits all FXR and Sportster® models from 1979 thru 2005. 12 inch
 $534.95
21836Fits 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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