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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
Cooper Rings are oversize (also fits for oversize bores)
The Aluminati trans mount greatly reduces transmission movement when accelerating
and improved power potential
No Ground Clearance Loss – Clears factory skid plate without using spacers
More processing power
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+
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