PROGRESSIVE SUSPENSION 412 SERIES HEAVY DUTY AMERICAN-TUNED GAS SHOCKS BLACK 13" Fork springs O² Port Bushing AdapterReduce the

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

wire connectors and instructions

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

Repair kit available separately and includes all parts needed to rebuild one stabilizer

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

PROGRESSIVE SUSPENSION 412 SERIES HEAVY DUTY AMERICAN-TUNED GAS SHOCKS BLACK 13" Fork springs O² Port Bushing AdapterReduce the412 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