Stage X High Performance 11mm Cylinder Head Stud Kit

Performance 11mm head stud kit for high-performance engine builds.

The studs are made from S99 steel with a certified minimum yield strength of 1080 MPa, which puts a substantially greater clamping force on the cylinder head gaskets than the OE cylinder head bolts. The greater pressure greatly reduces the chance of head movement under boost, keeping the head gaskets stable so they continue to seal the combustion chambers, oil and water passages effectively.

Supplied with Stage X assembly lube, ARP nuts and washers, and a custom-formulated, graphite-based build lube so the correct torque figures can be reached accurately.