The 412 Series shocks are simply the best value shock on the market today. The 412's simple, durable design means they will be an improvement to your motorcycle's suspension performance for as long as you are riding it. The double-wall steel body construction with nitrogen charged, multi-staged velocity sensitive valving gives you smooth, consistent damping. A five position cam style preload adjuster lets you dial in your ride whether you're a light rider or heavy hitter. With multiple options, there is sure to be a 412 that's right for you and your bike. All steel double wall damper with multistage velocity sensitive damping 5 position cam style preload adjuster High pressure gas charged for consistent damping performance Sold in pairs FIT GUIDE MODEL412 SERIES SHOCKCOLORBLACKLENGTH12.6 IN.MATERIALSTEELQUANTITYPAIR PRODUCT FITMENT This item fits the following applications: Harley Davidson FXD Dyna Super Glide 1995-2005, 2007-2010 Spring Rate:Standard Duty Harley Davidson FXDB Dyna Daytona 1992 Spring Rate:Standard Duty Harley Davidson FXDB Dyna Street Bob 2007-2016 Spring Rate:Standard Duty Harley Davidson FXDB Dyna Sturgis 1991 Spring Rate:Standard Duty Harley Davidson FXDC Dyna Glide Custom 1992 Spring Rate:Standard Duty Harley Davidson FXDC Dyna Super Glide Custom 2005, 2007-2014 Spring Rate:Standard Duty Harley Davidson FXDF Dyna Fat Bob 2008-2016 Spring Rate:Standard Duty Harley Davidson FXDI35 35th Anniversary Dyna Super Glide 2006 Spring Rate:Standard Duty Harley Davidson FXDL Dyna Low Rider 1993-2009, 2014-2016 Spring Rate:Standard Duty Harley Davidson FXDS-CONV Dyna Convertible 1995-1998 Spring Rate:Standard Duty Harley Davidson FXDS-CONV Dyna Low Rider Convertible 1995-1998 Spring Rate:Standard Duty Harley Davidson FXDS-CONV Dyna Low Rider Convertible 1994 Spring Rate:Standard Duty Harley Davidson FXDS-CONV Dyna Super Glide Convertible 1995-1998 Spring Rate:Standard Duty Harley Davidson FXDS-CONV Dyna Super Glide Convertible 1999-2000 Spring Rate:Standard Duty Harley Davidson FXDWG Dyna Wide Glide 1993-2008, 2010-2016 Spring Rate:Standard Duty Harley Davidson FXDX Dyna Super Glide Sport 1999