Compatible with Ford Models:2003-2004 For Mustang V8 4.6L DOHC PetrolCompatible with Lincoln Models:2003-2005 Aviator V8 4.6L DOHC PetrolCompatible with Mercury Models:2003-2004 Marauder V8 4.6L DOHC Petrol Kit Parts Included:2 Pcs Timing Chain (116Links)4 Pcs Timing Cam Sprocket (Front-20 teeth)2 Pcs Timing Chain Tensioner (Left & Right Lower)2 Pcs Timing Chain Tensioner(Left & RightUpper)2 Pcs Timing Chain Guide (Left & Right) 2 Pcs Timing Cam Sprocket (Left & Right)Timing Crank Sprocket (21teeth) 2 Pcs Timing Chain Guide(Tensioner Arm-Left & Right)2 Pcs Timing Chain ( 44ALinks) Specifications fits for DOHC V8 4.6L Reference Number: 5W7Z6268AA, C387, F8ZZ6256AA, S790A, XL1Z6L266AA, 95432, F7LZ6K254BA