This nut fastens onto the balance tube studs, clamping the tube securely to the upper intake plenum. It plays an important role in maintaining an airtight seal within the intake system, ensuring balanced airflow between both cylinder banks. Proper fastening helps prevent vacuum leaks and supports smooth engine operation and idle stability. Typically used in sets (three per balance tube), it is a direct OEM-fit component designed for correct thread engagement, durability, and factory-correct appearance on both USDM and JDM Z32 engines.
- Fits 14002D Location
- USDM 300ZX (Z32): 1990–1996 (naturally aspirated and twin-turbo models)
- JDM Fairlady Z (Z32): 1989–1996 (naturally aspirated and twin-turbo models)
- Fits VG30DE & VG30DETT engines (NA or TT)
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