Tuff Country 20801 - Ford 81-96 F150 Extended Radius Arm Kit - Manual (Page 5)

15. Working on the driver side, measure from the line that
was scribed in step # 14 towards the rear of the vehicle 15”
and scribe another line. Special note: Check and double
check to make sure that this measurement is correct. If
this measurement is not correct, once the new bracket
and new extended radius arms are installed the front
axles may be sitting to far forward or to far back. Repeat
procedure on the passenger side.
16. Working on the driver side, remove the stock nut that
connects the stock transfer case cross member to the stock
frame rail. Save the stock hardware. Repeat procedure on
the passenger side.
17. Locate the new driver and passenger side extended
radius arm relocation bracket. Working on the driver side
and using a pair of vise grips, clamp the new driver side
extended radius arm relocation bracket to the stock frame
rail making sure that the rear hole in the new bracket is cen-
tered with the marked that was scribed in step # 15. Repeat
procedure on the passenger side. This photo is showing
the driver side extended radius arm relocation bracket.
18. Working on the driver side and using the new extended
radius arm bracket as a guide, carefully drill (4) 1/2” hole into
the frame rail. Special note: there will be (2) holes on the
side of the frame rail and (2) on the bottom of the frame
rail. Also, take special care not to drill into any wires or
hoses that could be running down the inside of the
stock frame rail. Repeat procedure on the passenger side.
This photo is showing the driver side extended radius
arm relocation bracket.
19. Locate (8) 1/2” x 1 1/2” bolts, (16) 7/16” USS flat wash-
ers and (8) 1/2” unitorque nuts from hardware bag 20801NB.
Also, locate the stock transfer case cross member nuts that
were removed. Working on the driver side, secure the new
driver side extended radius arm relocation bracket to the
stock frame rail using the new 1/2” x 1 1/2” bolts and hard-
ware. Make sure to use thread locker or loctite and torque to
75 ft lbs. Now install the stock transfer case cross member
nut into the stock location. Make sure to use thread locker or
loctite and torque to 55 ft lbs. These photos are showing
the driver side extended radius arm relocation bracket.
Repeat procedure on the passenger side.
20. Locate the new driver and passenger side extended
radius arms. Locate (2) sert fittings from hardware bag
20801NB. Install the new sert fittings into the eyelet ends of
the new extended radius arms. Take special care not to