ARP Head Stud Kit - Ford Ecoboost 2.3L Mustang 15+, Focus RS 16-18 - 151-4301 Intake OEM O-ring seal

OEM O-ring seal

AeroCatch latches are available in two styles (each in locking and non-locking versions):Each kit includes (2) AeroCatch

This bracket features 1/8" NPT threads so that both [included] barbed fittings or AN fittings can be used interchangeably

EK / DC2 with full size RSX/EP3 radiator

ARP Head Stud Kit - Ford Ecoboost 2.3L Mustang 15+, Focus RS 16-18 - 151-4301 Intake OEM O-ring sealIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all out competition powerplants. Simply stated, theres not a better stud setup on the market today. For openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed vertically into special racks and precisely heat treated