PROGRESSIVE SUSPENSION 422 Series Shocks with Rap - Chrome - Harley-Davidson Softail '00-'17 - Standard - 422-4104C

• The Softail chassis has long been a challenge as the shocks are hidden under the frame which makes common adjustments difficult
• The RAP (Remote Adjustable Preload) system allows for easy tuning of the shocks to account for changing loads or the addition of a passenger and is conveniently located behind the left passenger peg
• Simply turn the knob in either direction to set the spring preload
• Before purchasing or attempting to install shocks that are different than the OEM length, confirm that your wheel travel can be altered without causing clearance issues such as, swingarm/axle to exhaust contact as well as chain/belt guard or tire contact.
• Heavy Duty Applications are recommended for bikes operating at or near the manufacturer's maximum load rating over 50% of the time.
• Adjustable from stock to 2in. lower
  
• The Preload Adjustment knob has quite a few turns to go from lock to lock.
  
• The Allen screw that holds the adjustment knob should be red Loctited.
  
• Standard Spring Rates are recommended for riders that weigh under 110kg.
  
• Performance Suspension Upgrades provide better handling through a Stiffer more controlled Ride.
  

Fitment Guide

Specs