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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
2182711 Inch Black Heavy-Duty Shocks Fit FXR and Sportster® 1979-1999
$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
21823Fit all FXR and Sportster® models from 1979 thru 2003. 11.5 inch
$534.95
21824Fit all FLT, FLHT, FLHS and FLHR models from 1980 thru 2003. 12.5 inch
$534.95
21825Fit all FLT, FLHT, FLHS and FLHR models from 1980 thru 2003. 13 inch
$534.95
21826Fit all FLT, FLHT, FLHS and FLHR models from 1980 thru 2003. 13.5 inch
$534.95
21831Fit all Dyna Glide models from 1991 thru 2003.12 inch
$534.95
21832Fit all Dyna Glide models from 1991 thru 2003.12.5 inch
$534.95
21834Fit all FXR and Sportster® models from 1979 thru 2003. 12 inch
$534.95
21835Fit all Dyna Glide models from 1991 thru 2003. 13 inch
$534.95
21837Fit 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

All designations for Harley-Davidson® motorcycles are used in this catalog for reference only,
Harley Davidson and Harley Trademark names are for reference only.