Home/2015 Mustang Gaskets and Fasteners MR Gasket MLS Stainless header gasket, 1-7/8 in. 5.0 Coyote $63.56 Ford Performance Main and Side Bolt kit, 5.0 Coyote $62.17 Ford Performance Head Changing Kit, 12mm bolts, 2018-21 5.0L Coyote $280.17 Ford Performance Head Changing Kit, 11mm bolts, 2015-17 5.0L Coyote $163.29 Apex Coyote Harmonic Balancer Stud Kit, 2011+ Mustang $98.99 ARP Head Studs, 5.0 Coyote 11mm $521.64 Don’t see what you are looking for? Give us a call or send an email. We sell thousands of additional parts not listed on the website.