Outfront Motorsports Custom ARP2000 ½” Headstud Kit for EG33 Hardware Will not fir 8 bolt

Will not fir 8 bolt valve covers

2016 Subaru WRX STI 2

All Pans Fit and Leak Tested

-40°C to +105°C

Outfront Motorsports Custom ARP2000 ½” Headstud Kit for EG33 Hardware Will not fir 8 boltBenefits: 25% stronger than 625+ studs and 40% stronger than 11mm ARP 2000's reduced shank diameter (allows for no head gasket modifying) more thread engagement in block over 11mm studs uses stock alignment pins without modifying case or heads over 200ft lbs tested for stud "pull out" in block same kit price compared to 625+ kits (requires additional block and head machining to use) custom large diameter hardened washers to prevent embedding into head