FXWG  (Excl Softail) Standard length

Fits: > Cylinder to case: 84-99 B

22-23 FXLRST Low Rider ST 117

17945-36B spring cap

- ABE approved - Polished

PS, 444 series shock set. 13". STD Duty. Black Dyna 91-17 Packningar Shovelhead FXWG (Excl Softail) Standard length444 series shocks Best. Comes with FST (Frequency Sensing Technology) which dynamically adjusts damping, according to road surface. Top mount threaded hand adjustable preload. What are Progressive Suspension's 'Heavy Duty' shocks? If you are a lightweight rider with a lightweight passenger, STD Duty is probably your best choice, heavy duty shocks will give you a harsh ride. For Big Guys & Gals with a lot of baggage, Heavy Duty springs are the way to