The Supertech manganese bronze intake valve guide for Nissan VR38 is made for that engine and accepts a 6mm valve stem. Its bronze construction provides a durable running surface to help stabilize valve motion after head service or rebuilding. Verify VR38 model details and stem clearance before installation to ensure the guide fits the intended cylinder head.
Supertech Nissan VR38 Manganese Bronze Intake Valve Guide 6mm Stem