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The ARP head stud kit for Audi 5‑cylinder engines features 12-point undercut studs intended for cylinder head retention on applicable Audi 5‑cylinder applications. Presented as a dedicated head stud solution, the kit’s 12‑point undercut design is the defining specification from the source and is intended where a 5‑cylinder Audi head stud kit is required.
ARP Audi 5-Cylinder 12pt Undercut Head Stud Kit
