Progressive Monotube Fork Cartridge Kit

• Product Details

  True high performance front suspension has made its way to the Harley aftermarket. Progressive Suspension's state-of-the-art Fork Cartridge Kit represents the peak of performance front end handling. The kit features a set of gas charged Monotube damper cartridges and a set of custom tuned fork springs in stock and lowered versions. Replaces all of the O.E.M. fork internals.

  • Converts dual damper rod forks to high-performance cartridge forks.
  • Improved resistance to front brake dive.
  • Improved front end stability.
  • Improved cornering.
  • Improved bottoming control.
  • No modification for forks required.
  • Lowering kits lower the front end up to 2".
  • Made in the U.S.A.
  • Lifetime limited warranty.
  • Note: Lowering kits are not for use on LOW models.

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• Fitment

• # Part Numbers

  Product Variant	Manufacturer Part #
  Adjustable	31-2533, 31-4009
  Lowered	31-2501, 31-2504, 31-2519
  Lowered - p/n 31-2542	31-2542
  Lowered - p/n 31-4007	31-4007
  Progressive Monotube Fork Cartridge Kit	31-2500
  Raised 2in	31-2546, 31-4010, 31-4011
  Stock	31-2502, 31-2503, 31-2511, 31-2513, 31-2514, 31-2515, 31-2536, 31-4006
  Stock - p/n 31-2541	31-2541
  Stock - p/n 31-4008	31-4008

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