Roger Clark Motorsport 14/12mm Superstud Cylinder Head Stud KitThe latest evolution of our proven and hugely successful 14 12mm RCM Head Stud Kit designed for the ultimate in engine performance and reliability! Introducing the new RCM 14mm Superstud Head Stud Kit. Our engineers have taken the ultimate EJ series head stud solution to the next level by incorporating some new features into the RCM 14mm Superstud kit to improve performance and ease of installation for your EJ engine. Larger size stud (still
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Roger Clark Motorsport 14/12mm Superstud Cylinder Head Stud Kit