Fits 1996-2010 Mustang with 4.6L engine SOHC/DOHC Cast aluminum idler pulley bracket replaces the air conditioning compressor Removes weight from the front of car for better weight distribution for racing. Bolts included Uses stock belt For 1994-1995 Mustang and 1991-1993 Thunderbird with 5.0L engine see M-19216-A50