ARP Custom Age 625+ 11mm Head Studs for EJ DOHC Engines Bare Case Halves Pedal efforts will be slightly

Pedal efforts will be slightly higher because of the higher clamp loads that the pressure plate provides

Power Increase: N/A

4 Mounting Bolts

A tune is not required for the listed applications at any power level

ARP Custom Age 625+ 11mm Head Studs for EJ DOHC Engines Bare Case Halves Pedal efforts will be slightlyThis 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"