412 Series Shock - 12.5" - Heavy Duty - Chrome - H-D823Caracteristicas: 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 Some or all shocks listed have TV approval. Refer to most recent TV certificate for current listing All shocks are measured center of eyelet to center of eyelet. When installing shocks on 1986