Hardware

Shop Subaru engine assembly hardware at IAG Performance for WRX, STI, BRZ, FR-S, Legacy GT, and Forester XT EJ25 and FA20 engines, including ARP head studs and IAG Performance hardware kits essential for proper clamping force and build integrity. Our selection covers head stud sets in both 12mm and 14mm sizing, cam sprocket bolts, and replacement washers and dowels, giving builders the small but critical fasteners that hold an engine build together under boost.