PROGRESSIVE SUSPENSION 412 SERIES AMERICAN-TUNED GAS SHOCKS BLACK 11.5" 500990 or actually a spark plug

or actually a spark plug cap

1984-1999 FXSTC

Cutting edges are additionally precision induction hardened to approx

Standard Fit

PROGRESSIVE SUSPENSION 412 SERIES AMERICAN-TUNED GAS SHOCKS BLACK 11.5" 500990 or actually a spark plug412 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