Hotchkis 1815A 1999-2004 Mustang Adj Suspension Pckg. - Manual (Page 6)

7. Install your new Hotchkis adjustable upper trailing arms in the same manner as the stock removal. Make
sure the grease fittings on the front end are facing downward. Use all new hardware provided in your kit.
Grease any polyurethane surface that contacts metal with the provided lube.
7. Make sure all hardware is fully tightened.