Tuff Country 24814 - Ford 80-96 F150 4 performance box kit - Manual (Page 6)

12. Locate the new front twin eye beam axle pivot support
bracket. Also, locate (2) 1/2” x 1 1/2” bolts, (4) 7/16” USS flat
washers and (2) 1/2” unitorque nuts from hardware bag
F4XRBNB. Install the new support bracket to the newly
installed front twin eye beam axle pivot bracket using the
new 1/2” x 1 1/2” bolts and hardware. Make sure to use
thread locker or loctite and torque to 75 ft lbs.
13. Using the new support bracket as a guide, carefully drill
(2) 1/2” holes into the stock front cross member. Special
note: Take special care not to drill into the cooling lines
that wrap around the front cross member. Locate (2) 1/2”
x 1 1/2” bolts, (4) 7/16” USS flat washers and (2) 1/2” uni-
torque nuts from hardware bag F4XRBNB. Secure to newly
installed front twin eye beam axle support bracket to the
stock front cross member using the new 1/2” x 1 1/2” bolts
and hardware. Make sure to use thread locker or loctite and
torque to 75 ft lbs.
14. Locate (1) 9/16” x 3 1/2” cam bolt, (2) cam washers and
(1) 9/16” unitorque nut from hardware bag F4XRB-NB1.
Carefully raise up on the hydraulic floor jack that is support-
ing the driver side front twin eye beam axle until it slides up
into the newly installed bracket. Secure the axle to the new
bracket using the new cam bolt and hardware. Make sure to
use thread locker or loctite and torque to 85 ft lbs. Special
note: For now, place the cam washer in the center posi-
tion.
15. Locate the new rear twin eye beam axle pivot relocation
bracket and the stock hardware. Install the new rear twin eye
beam axle pivot relocation bracket into the stock location
and secure using the stock hardware. Make sure to use
thread locker or loctite and torque to 75 ft lbs. Special note:
Make sure that the new twin eye beam axle pivot reloca-
tion bracket is seating square into the stock location.
16. Using the new rear twin eye beam bracket as a guide,
carefully drill (2) 1/2” holes into the stock cross member.
Special note: Drilling from the front of the vehicle to the
back will make this step easier. Also, take special care
not to drill into the cooling lines that wrap around the
rear cross member.