6″ Lift Kit with PRO-M Monotube Front Struts and Upper Control Arms – K4233MSU

Part # EXPK4233MSU

Primary Features

  • Direct Fit
  • 21-Current Ford F-150
  • 4WD models only
  • Does not fit Raptor models
  • Includes Pro-M monotube front struts and upper control arms
  • Heavy-duty construction
  • All critical suspension components constructed out of 3/16"" steel
  • Direct fit - Includes all necessary parts and hardware required for installation
  • Heavy-duty steering knuckles - Safely provides proper steering geometry for improved handling, traction/stability control compliant, reduces treadwear and other common post-lift issues
  • Crossmembers with skid plate made from 3/16"" steel to provide uncompromising strength and durability
  • Differential drop brackets provide heavy-duty strength to lower the differential while to eliminating flex/diff windup
  • Sway bar drop bracket strengthens the suspension and reduces side to side flex
  • Cam eccentric and bolts provides easy alignment at install that doesn't drop out of alignment
  • Rear lift blocks and u-bolts lift the rear of the vehicle to match the front and maintain a level profile
  • California Residents:WARNING


Take your 21+ Ford F-150 (4WD) to the next level with the all-new Pro Comp 6-Inch lift kit. Pro Comp's 6-Inch lift kit provides a unique one-of-a-kind look and maximized ride height allowing you to run larger tires up to 35-inches while gaining additional ground clearance for venturing off-road. Pro-Comp's F-150 6-Inch lift kit is designed and engineered to provide improved drivability and stability both on-road and off-road

The components of Pro Comp's new F-150 suspension kit match the highest quality standards in the industry. New heavy-duty high strength extended steering knuckles retain factory steering geometry to make a Pro Comp-lifted F-150 4WD drive, steer and handle exceptionally. Front lower crossmembers and a differential skid plate are precision-constructed from 3/16"" thick steel plate to provide added strength to the chassis and protection for the front differential.

The new F-150 Kit is upgradeable, with options for the customer who uses their truck as a daily work-horse all the way up to the off-road enthusiasts taking their toys out to the desert every weekend.


Installation Instructions


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!

Read More


  • 2021 Ford F-150 XL
  • 2021 Ford F-150 XLT
  • 2021 Ford F-150 SSV
  • 2021 Ford F-150 Police Responder
  • 2021 Ford F-150 Platinum
  • 2021 Ford F-150 Limited
  • 2021 Ford F-150 Lariat
  • 2021 Ford F-150 King Ranch
  • 2022 Ford F-150 XL
  • 2022 Ford F-150 XLT
  • 2022 Ford F-150 SSV
  • 2022 Ford F-150 Police Responder
  • 2022 Ford F-150 Platinum
  • 2022 Ford F-150 Limited
  • 2022 Ford F-150 Lariat
  • 2022 Ford F-150 King Ranch
  • 2021 Ford F-150 Tremor
  • 2022 Ford F-150 Tremor