Pay in 4 interest-free payments of $71.41 Learn more
Ships within 48 hours · Estimated delivery Oct 13 - Oct 18
10% more power output than OEM
5i long runner intake manifolds with no additional adapters
Lifetime Warranty
Each breather cap has a ¼ NPT holes for fittings
Power Increase: N/A
ARP Custom Age 625+ 11mm Head Studs for EJ DOHC Engines Bare Case Halves 10% more power output thanThis stud kit is the strongest ARP material with no modifications needed to block or heads. Outfront recommends this stud kit from 400 600HP range. Allen socket head for easy installation. The kit includes washers and nuts, and the studs. They are made from a high strength, super alloy called custom age 625+. Typical tensile strength is 260 280ksi. Typical shank diameter . 361"
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US$ 89.00