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How to Install ProRYDE 3-in-1 Adjustable Rear Lift Block Kit on your F-150

Shop Parts in this Guide

Step 1: Measure ORIGINAL STOCK ride height. On a flat, solid surface, take a measurement from the wheel/rim to the lip of the fender on each side of the vehicle, FRONT & REAR. Write down measurements to help in determining ride height for new kit being installed.

(Figure A) 

A


Step 2: Position vehicle on a flat, stable surface or on a professional automotive lift. Be sure engine is turned OFF and vehicle is in PARK. Secure using wheel chocks, and apply emergency brake.

Step 3: Raise the vehicle by the frame (Figure B), and support rear axle. (Figure C) 

B


C


D


E


Step 4: Working on one side of the truck at a time, remove the four U-bolt nuts and the lower Ubolt axle bracket. (Figure D) Figure D Step

5: CAREFULLY lower the rear axle until enough space is evident to remove OE Block. Remove U-bolts. (Figure E)

Step 6: Refer to the images below to achieve your desired right height. Again, carefully lower the axle enough to accommodate the new block being installed. IMPORTANT! BE SURE BUMP STOP PADS ARE DIRECTED INWARD, AND THE SHORTER TAPERED END OF BLOCK IS POSITIONED TOWARD THE FRONT OF THE VEHICLE. 




LOWEST REAR LIFT OPTION MEDIUM REAR LIFT OPTION HIGHEST REAR LIFT OPTION IMPORTANT! THIS IS A PATENTED, INTERLOCKING SYSTEM AND SHOULD NEVER BE STACKED OR USED WITH ANY OTHER LEAF SPRING BLOCKS AS IT MAY CAUSE AN UNSAFE CONDITION FOR BOTH THE INSTALLER & THE VEHICLE DRIVER.

Step 7: Raise the jack slowly, making sure that the leaf spring centering pins locate properly on the top of the new block being installed, and that the new block centering pins locate properly into the holes on the axle’s block pad. 

Step 8: Install new U-Bolts provided with this kit. (Figure F) 

Step 9: Reinstall OE lower axle bracket and install new hardware provided, torque to the vehicle manufacturer’s specifications. (Figure G)​

F


G


Step 10: Repeat procedure on the other side of the vehicle.

Step 11: Check all fasteners for proper torque. Check to ensure there is adequate clearance between all rotating, mobile, fixed and heated members. Check steering for interference and proper working order. Test brake system.

Step 12: Perform a complete wheel alignment, utilizing a Certified Alignment Technician with experience working on lifted vehicles.

Step 13: ADJUST HEADLIGHT AIM to accommodate new ride height position. Step

14: Check and re-torque U-bolt fasteners after 500 miles, and inspect regularly during routine maintenance