ARP Nissan CA16/18DE/18DET Undercut Studs Head Stud Kit

This ARP head stud kit provides a high-integrity fastener solution for Nissan cylinder heads running CA16, 18DE and 18DET engines, improving clamping consistency and assembly durability for high-performance or rebuilt motors. Designed for direct-fit installation on compatible Nissan engines, the undercut stud geometry helps control friction and achieve consistent clamp load for reliable head sealing under boost or high-RPM loads.

Features:

• Undercut stud design for improved head sealing
• Direct-fit replacement for CA16, 18DE, 18DET
• ARP engineered performance head stud kit

Vehicle Fitment:

• Nissan — CA16 engine
• Nissan — 18DE engine
• Nissan — 18DET engine