This ARP head stud kit is made from 8740 chrome moly steel, 200,000 psi tensile strength. It is precision center-less ground and thread rolled to Mil-S-8879 specs. The kit includes of full set of twelve black oxide finish studs, hardened washers, and premium grade nuts, plus a packet of ARP assembly lube.
Fits all 2015-2021 Subaru WRX, 2014-2018 Forester XT, and 2013-2021 BRZ/FR-S/86.
Shipping Weight: 5.0 lb
Category: Engine Internals