IAG Performance Head Stud Kit for Subaru WRX / WRX STI (2004-2021) ARP 14mm Set - IAG-ENG-1711

This set includes 14mm head studs and accessories for high horsepower Subaru engines, designed to prevent head lift and increase clamping force.

• The larger size of the stud increases its load capacity.
• The set requires drilling and tapping the case as well as splitting the locating dowel.