Shiny Pokemon Legend Revo A Adjustable Silver 13" Performance Coil Shocks HD Harley Dyna 91 17. BRAND NEW PART # 1310 1777 FITS: 1991 2017 HARLEY DYNA MODELS Legend Revo A Adjustable Dyna Coil Suspension Anodized Clear Heavy Duty 13" Shocks Improved plush ride quality, control, and resistance to bottoming out Extended coil length has a larger sweet spot without increasing the overall shock length Unique spring rate offers ability to soften preload and or reduce ride height while maintaining a smooth ride Allows minimal preload adjustments when changing between rider weight or total motorcycle load Easy to adjust preload by hand without tools Hard anodized machined aluminum body Legends low friction seals High flow piston reacts quickly for improved fluid flow management Deflective disc valved damping self adjusts to frequency and ensures controlled performance Spherical mount bearings on top and bottom Standard or heavy duty spring rates Black bodies with black springs six external knob adjustments that allow fine tuning of rebound damping Provides optimum rebound performance for any given rider weight, personal ride quality preference or personal riding style Light to heavy riders can fine tune ride performance Aggressive to casual riding styles can tune to desired quality or personal preference All Legend REVO suspension is assembled by hand Sold in pairs Made in the U. S. A. Heavy duty applications are recommended for 500 lb.+ rider and passenger total weight OEM Part Number 5466 08 (2), 7880 (2), and 8185 (2) are required for 1991 2005 models.