Custom ARP 1-2" Head Stud kit for Subaru SOHC EJ25 Hardware Install Height 1

Install Height 1

The D25 Single AVCS Castings are for 2006-2014 WRX / 2006-2013 FXT / 2007-2009 LGT

All of our builds can be completely customized

Custom Outfront Motorsports spec EJ257 CP piston set (21cc)

Custom ARP 1-2" Head Stud kit for Subaru SOHC EJ25 Hardware Install Height 1This is our longer stud specifically made for the SOHC EJ25 engines. This is the next step up from the ARP 260 4702 part number. Benefits: 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+