Pro Comp Pitman Arm - FD500


  • Pro Comp Suspension | Part Number: EXPFD500
  • Amount of Drop:4 Inches
  • Position:Front
  • Fitment:Direct Fit
  • Power Or Manual Steering:Power Steering


  • When lifted, the drag link attachment point needs to be moved down to reduce link angle, creating the need for a drop pitman arm.
  • Pitman Arm
  • 4 in. Drop
  • Steering correction


Excellent fit

Replaced worn steering box and pitman arm. Steering nice and tight now.

from McKinleyville CA |
used on 6 inch lift 2 wheel drive F250

not much to say. its the only one that fits 2 wheel drive. works fine!

from Lake Elsinore |


from Glendora Ca |
Great Pitman Arm; Strong and Steady

Pitman Arm is long enough to give the drag link a good angle without putting stress on the tie rod ends. You may have to adjust the steering at the box due to the length of the arm. It may cause you to oversteer and have your tires rub your leaf springs.

from Raleigh, NC |


Question & Answers

2 Answered questions

I am wondering how many splines the fd500 is...I know there are 2 different types the 32 and the 36 spline! Just want to know what spline count this product is?

Asked by dakota from United States on

Hello It depends on the year of the truck. On the super duty trucks from 99 - 2014 there are 5 different pitman arms. I don't have a listing for the F550 splines. The other think that is different the indexing of the major splines. The 500 is clocked a 11 1 5 7 and some are 12 3 6 9. We go by the year and not the spline count do to clocking. thanks

Answered by Rody from United States on

How many splines are on the FD500 and how many splines are on the FD400 drop pitman arm, also are they both for 4x4 application? I have a 2000 F250 4x4 diesel with a 3-4 inch lift

Asked by LGmill from Ca on

Hello I don't have the spline count but the FD500 is 1 3/8th of an inch the FD400 is for the 2/99 and older 1999 super duties and is 1 5/16th inch Hope this helps all of the 2000 would use the FD500 Thanks

Answered by Rody from Ca on


Pro Comp Suspension has spent the last two-and-a-half decades engineering, testing and manufacturing products that will give Jeep drivers the confidence to dominate whatever terrain is ahead. The Pro Comp Promise Life Time Warranty is forever. Pro Comp's warranty goes with the suspension products on Jeeps whether or not the Jeep owner is the person who originally purchased the product. Pro Comp Suspension can afford to give such a warranty because the products are produced at the Pro Comp facility in San Diego, California under exacting manufacturing standards. Pro Comp Suspension is the only suspension company with products that are tested under true driving conditions on outside roads, rather than simulated testing. Shop Pro Comp Suspension Now

This Product Fits the Following:

  • 2004 Ford F-250 Super Duty Harley-Davidson Edition  
  • 2004 Ford F-350 Super Duty Harley-Davidson Edition  


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