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Progressive Suspension 412 Series, 13.5in. Rear Shock Absorbers with Full Covers – Chrome. Fits Big Twin 1958-1972.

$767.00

Part Number PS-412-4029C Categories Rear Shocks: Vintage, RR Shocks - Vintage - Chrome, Suspension

In stock

Description

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:-

* 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.

* On Big Twin FL Models 1958-1972 Standard Length is 13.5in..

Proudly Made by Progressive Suspension !

Brands	Progressive Suspension