PS fork spring kit standard duty, 49mm - 16-17 FXDLS Dyna (NU) 940545 Works on stock bikes as

Works on stock bikes as well as those running wide tires with offset transmissions

Includes a pre-oiled black cotton air filter element

mainshaft ball bearing and needle bearing between the two parts of the transmission shaft allows the clutch hub to cock sideways

Three-Piece Frame ClampsHeavy-duty three-piece clamps can be used for mounting exhausts

PS fork spring kit standard duty, 49mm - 16-17 FXDLS Dyna (NU) 940545 Works on stock bikes asProgressive Suspension, progressive rate fork springs of superior quality. Precision wound and made of high quality chrome silicon wire. Provides a smooth ride but the progressive rate helps prevent bottoming out when taking big bumps. Each kit comes with progressive fork springs and necessary spacers.