Mustang Ford Racing Stage 8 Locking Header Bolt System 4.6L/5.4L/2V/4V 1996-2012
Part Number: M-9432-A54
Ford Racing Stage 8 Locking Header Bolt System for all 1996-2004 4.6L Mustangs and 2007-2012 Shelby GT500s. Will not fit 2005-2010 GT Mustangs with a 4.6L 3V engine.
These header fasteners are 100% reliable and absolutely, positively will not back out. Eliminates need to monitor and tighten bolts regularly. Features grade 8 aircraft quality bolts that are made in the U.S.A. and are duplex nickel plated.