Supertech Subaru EJ20 25 6mm Stem Manganese Bronze Stopper Intake Valve Guide - Single (D/S Only)

This listing is for a single Supertech intake valve guide designed for Subaru EJ20 and EJ25 engines with 6mm valve stems. It's a stopper-style guide, specifically for the driver's side (D/S Only) application.

The guide is made from manganese bronze, a material known for its good wear resistance and ability to handle the heat and friction found in the valve train. This helps ensure proper valve movement and sealing over time, which is crucial for engine performance and longevity. Installing new valve guides is often part of a larger engine rebuild or repair, especially if you're noticing issues with valve sealing or excessive oil consumption.