Intake Manifold Seal for Nissan/Infiniti Performance

Keep your engine breathing right. This intake manifold gasket creates an airtight joint between the manifold and cylinder head, locking in measured air so your ECU can deliver precise fuel. Built from heat‑resistant multi‑layer material with rubber bead, it resists warping and carbon, ideal for daily driving or spirited runs.

Why you need it

A perfect seal prevents vacuum leaks, rough idle, loss of power, high fuel use, and emission faults. It also helps maintain stable idle speed and crisp throttle response.

How it works ️

When torqued in sequence, the gasket compresses evenly around each port, sealing air (and PCV/coolant passages where present). This keeps unmetered air out and ensures smooth airflow to every cylinder.

If it fails ⚠️

Expect hissing, lean codes, cold‑start misfire, stalling at stoplights, hard starts, and a persistent Check Engine light. Long term, overheated edges can etch the manifold surface.

Tech tip ✅

Clean flanges, inspect studs, and tighten from center outward to spec. Do not reuse a flattened seal. Replace throttle body and plenum seals if disturbed for best results.

Compatibility

• M35/45
• I30/I35
• G35
• Fx35/45