PROGRESSIVE SUSPENSION 412 Series Shocks — 318 mm (12.50") extended length, heavy duty, rear – 80, 83-85 Big Twin, 80-06 Touring, 00-05 CVO, 82-83 FXR

Designed specifically for Harley models. The 412 Series offers a simple, durable design that improves suspension performance while remaining a cost-effective upgrade. 🏍️

• A five-position cam-style spring-load preload adjuster lets you quickly and easily dial in your ride.
• Some or all shocks listed are approved for road use; refer to the most recent certificate for current listing.
• Multiple style options are available, including full show-chrome or black covers, and chrome or black springs and end caps.
• All shocks are measured center-of-eyelet to center-of-eyelet and are made in the USA.

When installing shocks on '86-'15 XL models, it may be necessary to modify or space the chain/belt guard to allow proper clearance.

A shock slightly longer than stock can alter the head angle and provide somewhat quicker steering; a shock slightly shorter than stock can alter the head angle and provide somewhat slower steering.

Heavy duty applications are recommended for bikes that are operated at or near the manufacturer's maximum load rating over 50% of the time. Before purchasing or attempting to install shocks of a different length than OEM, confirm that wheel travel changes will not cause clearance issues such as swingarm or axle contact with the exhaust, chain/belt guard, or tire.