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This ARP head stud set fits all late-model Subaru EJ20 2.0L and EJ25 2.5L powerplants. Finish off that engine rebuild with these race proven head studs. Set of 12 re-useable studs, ARP 12-point nuts, and washers. Standard 11mm diameter.
There are two versions of these studs. The standard ones are super-strong, with a 220,000 psi tensile strength, but the "Custom Age" 625+ studs are made of a new super-alloy and are even stronger, with a 270,000 psi tensile strength, so they can clamp even harder.
Unlike the OEM Subaru torque-to-yield fasteners, ARP head studs can be re-used.
Set of twelve head studs, plus nuts and washers. One packet of ARP assembly lube included, too!
Fits all EJ20 and EJ25 engines.
