ARP Cylinder Head Stud Kit for Nissan 350Z / Infiniti G35 VQ35DE (202-4701)

The ARP 202-4701 Cylinder Head Stud Kit provides the vital clamping strength required to seal head gaskets on boosted or performance-built Nissan VQ35DE engines. Replacing OEM stretch bolts eliminates head lifting and coolant cross-contamination under severe cylinder pressure.

Precision cold-forged and thread-rolled post heat treatment from 8740 chromoly steel, each stud ensures uniform clamping load across both engine banks.

Key Features & Benefits:

• Prevents Head Lifting: Maintains tight cylinder seal under forced induction and nitrous loads.
• Undercut Stud Design: Equalizes stretch along the fastener length to reduce stress concentrations in the aluminum block.
• Complete Head Fastener Solution: Kit includes parallel-ground washers and 12-point nuts for precise torque reading.

Technical Specifications:

• Material / Build: 8740 Chromoly Steel / Black Oxide
• Warranty: Official ARP Limited Warranty
• Brand: ARP