Description
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 under heavy torque values and HP levels
- Note, block machining can be done with shortblock assembled for an additional $100 fee. Bare cases are preferred.
In conjunction with ARP, Outfront Motorsports has an exclusive design with our specs and innovative design. Look for our markings, accept no imitations.
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