412 Series, 12in. Rear Shock Absorbers – Chrome. Fits 4Spd Big Twin 1973-1986

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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 c hanging 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 !
MFR PART No: 412-4013C

ROLLIES PART No: PS-412-4013C






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