2017-2022 Ford F-250/F-350 4wd Diesel Stage I Pro Comp 6" Lift Kit - Pro Comp K4203B


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Sorry, these are no longer available from Pro Comp Suspension

2017-2022 Ford F-250/F-350 4wd Diesel Stage I Pro Comp  6" Lift Kit - Pro Comp K4203B

Pro Comp K4203B is the perfect lit kit for your 2017-2022 Ford F-250 & F-350! If you're tired of the other guys failing rusty powder coat kits with no warranty and only a 1 year warranty of the parts then Pro Comp has you covered! This Pro Comp Lift Kit has all the boxes checked and is the most complete lift kit on the market today! Pro Comp suspension systems are engineered to provide proper steering and suspension geometry. They maximize tire clearance and off-road prowess without making minimizing compromises on the pavement. Don't put a cheapo going to rust kit on your rig! Do it right with a Pro Comp Lift Kit! 

This Pro Comp Lift Kit Fits- 

  • 2017-2022 Ford F-250 4wd
  • 2017-2022 Ford F-350 4wd

This 6" Pro Comp Lift Kit Includes- 

  • Front Coil Springs
  • Radius Arm Brackets
  • Transfer Case Skid Plate
  • Front Track Bar Bracket
  • Drop Pitman Arm
  • Sway Bar Drop Brackets
  • 5" Rear Blocks w/ U-Bolts
  • Hardware
  • Instructions

This Kit Is Packaged In 4 (FOUR) Boxes! With Everything needed for install! The other guys cram it in 2 boxes. NOT COOL! 

  • 24515
  • 52890B-1
  • 52890B-2
  • 52890B-3
  • 52890BP-3 (Optional)

Wheel/Tire Fitment - 

  • Must Use 17" Rims Or Larger Wheels 
  • Not To Exceed 5.50" Back Space
  • Max Tire Size 37" 
  • 8"-12" Preferred Wheel Width 
  • 8 x 170mm Bolt Pattern


  • Vehicle will require alignment after kit is installed. Alignment cam kit P/N 599 can be used to change caster or camber if needed.
  • Vehicles with 2 - piece rear driveshaft may require flat rear lift blocks if driveline vibration occurs.
  • Use 52560 (5.5" flat blocks) for 2 - piece rear driveshaft.


  • 2017, 2018, 2019, 2020, 2021, 2022 Ford F-250 4wd Diesel
  • 2017, 2018, 2019, 2020, 2021, 2022 Ford F-350 4wd Diesel

Pro Comp Suspension Part # K4203B


THE PRO COMP PROMISE WARRANTY At Pro Comp, we know you have many choices when selecting products to personalize your vehicle. You should demand nothing but the highest quality available and have total confidence that the products you selected are the best in the industry. It is for these reasons that Pro Comp Suspension products are backed by the best warranty in the industry...the Pro Comp Promise! Pro Comp promises that its products will last a lifetime or we will replace it free of charge. It's that simple! Because of our commitment to quality and manufacturing excellence, we are able to stand behind our products. FOREVER. It is Pro Comp's Promise that if one of our suspension products breaks not due to misuse, neglect or vandalism, we will replace it. WHETHER YOU ARE THE ORIGINAL PURCHASER OR NOT, you can be assured that we will make it right. The Pro Comp Promise covers all suspension products including shocks and steering stabilizers. Buy Pro Comp Suspension today and enjoy it for the rest of your life! That's our Pro Comp Promise! Pro Comp warranties its full line of products to be free from defects in workmanship and materials for the life of the product. Pro Comp's obligation under this warranty is limited to repair or replacement, at Pro Comp's option, of the defective product. Any and all costs of removal, installation, freight or incidental or consequential damages are expressly excluded from this warranty. Pro Comp is not responsible for damages and / or warranty of other vehicle parts related or non-related to the installation of Pro Comp product. A consumer who makes the decision to modify his vehicle with aftermarket components of any kind will assume all risk and responsibility for potential damages incurred as a result of their chosen modifications. Warranty coverage does not include consumer opinions regarding ride comfort, fitment and design. Warranty claims can be made directly with Pro Comp or at any factory authorized Pro Comp dealer. IMPORTANT! To validate the warranty on this purchase please be sure to mail in the warranty card. CLAIMS NOT COVERED UNDER WARRANTY Parts subject to normal wear; this includes bushings, bump stops, ball joints, tie rod ends and heim joints. Finish after 90 days. Damage caused as a result of not following recommendations or requirements called out in the installation manuals. Pro Comp MX Series coil-over shocks are considered a serviceable shock with a one-year warranty against leakage only. Rebuild service and replacement parts will be available and sold separately by Pro Comp. Contact Pro Comp for specific service charges. Pro Comp accepts no responsibility for any altered product, improper installation, lack of or improper maintenance or improper use of our products.

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