Custom ARP 1-2" Head Stud kit for Subaru SOHC EJ25 Breather Plumbing and Fittings Cooper Rings are oversize (also

Cooper Rings are oversize (also fits for oversize bores)

and rally racing

This is a direct bolt-on

Part Number: SB5137-905

No Ground Clearance Loss – Clears factory skid plate without using spacers

Custom ARP 1-2" Head Stud kit for Subaru SOHC EJ25 Breather Plumbing and Fittings Cooper Rings are oversize (alsoThis 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+