Progressive Suspension 444 Series Shock Absorber - 444-4039C For Harley Dyna 1991-2017 FLHX Fork boots will work with

Fork boots will work with factory and aftermarket fork legs

Helps stabilize the chassis by keeping the motor/swingarm assembly aligned with chassis without causing unnecessary vibration to the rider

Grade 8 for high-stress applications

Unique Ciro multi-function controller provides red running and brake lighting with amber turn signals

Progressive Suspension 444 Series Shock Absorber - 444-4039C For Harley Dyna 1991-2017 FLHX Fork boots will work withFeatures Feature the all new Frequency Sensing Technology (FST) which allows the shocks to sense the frequency of a bump and automatically adjust damping for superior ride quality Deflective disc valving Pre load spring adjusts by hand with no special tool needed Includes a progressive rate spring and are high pressure gas charged for consistent performance Shocks slightly longer than stock may alter head angle slightly and provide quicker steering.