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ARP Pro Series Cylinder Head Studs

4.82 out of 5 stars 794 Customer Reviews

ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They're heat-treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12-point nuts, and all studs come complete with hardened parallel washers for an even load distribution and accurate torque readings. With hundreds of models ready to ship, these cylinder head fasteners can be ordered for virtually any style engine.

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ARP Pro Series Cylinder Head Studs 204-4206

ARP Pro Series Cylinder Head Studs 204-4206

Cylinder Head Studs, Pro Series, 12-Point Head, Porsche, 3.0L, 3.2L, 3.3L, Dilivar Replacement, Kit

Part Number: ARP-204-4206

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Estimated Ship Date: Monday 11/10/2025

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