Home/2015 Mustang Gaskets and Fasteners Ford Performance Main and Side Bolt kit, 5.0 Coyote $56.15 Ford Performance Head Changing Kit, 12mm bolts, 2018+ 5.0L Coyote $253.07 Ford Performance Head Changing Kit, 11mm bolts, 2015+ 5.0L Coyote $194.67 ARP Head Studs, 5.0 Coyote 11mm $460.06