Outfront Motorsports Pro Series 1-2" Head Studs for EJ and FA 625+ Coils and the famous purple anodized

and the famous purple anodized forged aluminum clutch cover

Launch control

Subaru Accessport V3 (AP3-SUB-003)

Various thicknesses are available to achieve your desired compression ratio for your application

1992-2011 Impreza

Outfront Motorsports Pro Series 1-2" Head Studs for EJ and FA 625+ Coils and the famous purple anodizedNow Available!!! With the growing success of our ARP2000 studs we bring you the Pro Series 625+ Headstud Kit. These are the go to for 1000+ HP Subaru Engines Benefits: 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 Custom large diameter hardened washers to prevent embedding into head