How to Install Hurst 6-Speed Shift Knob - White on your Mustang

Remove stock knob by unscrewing counter-clockwise. The knob is stiff
and will take some effort to twist but you should be able to remove it by
hand

Apply ten full wraps of ½” wide Teflon thread tape on the threaded
handle. Leave approximately 3/8” of exposed threads above the tape as
shown in picture.

Apply the included LOCTITE® 271 thread lock compound (included) to
the threaded portion above the Teflon tape.

Screw knob onto handle until the bottom of the knob is just even with
the top of the lockout collar (see photo). Continue to screw the knob an additional one turn plus whatever is necessary to align the shift
pattern/logo properly. Note: Screwing the knob on too far can prevent
proper operation of the lockout collar and could cause damage to the
knob.

Check for proper operation by engaging the reverse lockout and making sure the shifter will go into reverse.

IMPORTANT
Once this is confirmed, Avoid driving/shifting the vehicle for 1-2
hours. The LOCTITE® will set in approximately 10 minutes, but will
not fully cure for 24 hours.