PROGRESSIVE SUSPENSION 412 SERIES HEAVY DUTY AMERICAN-TUNED GAS SHOCKS BLACK 13" Fork springs 7kW is a new replacement

7kW is a new replacement unit for highly modified engines in touring bikes

Slot Track Rear Master Cylinder CoverMachined from 6061 T-6 billet aluminum

Cover is made of chrome-plated steel and the base is zinc plated (cover and base sold separately)

O² Port Bushing AdapterReduce the O2 port from 18mm to 12mm

PROGRESSIVE SUSPENSION 412 SERIES HEAVY DUTY AMERICAN-TUNED GAS SHOCKS BLACK 13" Fork springs 7kW is a new replacement412 Series ShocksManufactured from the finest materials available Designed specifically for Harley models The 412's simple, durable design makes them a cost effective improvement to your motorcycle's suspension performance A five position cam style spring load preload adjuster lets you easily dial in your ride Available with either a standard or heavy duty progressive spring rates There are multiple style options available, like full show chrome or