412 Series, 13.5in. Heavy Duty Spring Rate Shock Absorbers - Black. Fits Touring 1980-2005, Sportster 1979-2003 & FXR 1982-1994.

Features & Benefits:-

* 412 Series Shock.

* Best value shock on the market today.

* Simple, durable design will be an improvement over the Original.

* Double wall steel body construction.

* Nitrogen charged, multi-staged velocity sensitive valving.

* Smooth, consistent damping.

* Multi-position cam style preload adjuster.

* Progressively wound Spring.

Tech Tips:-

* Standard Spring Rates are recommended for riders that weigh under 110kg.

* Heavy Duty Spring Rates are recommended for riders that weigh over 110kg, or for riders who ride 2 up over 50% of the time.

* If you are purchasing longer or shorter suspension, confirm that changing your Suspension travel will not cause clearance issues.

* Performance Suspension Upgrades provide better handling through a Stiffer more controlled Ride.

Proudly Made by Progressive Suspension !