This GSC Power Division exhaust valve guide is specified for Subaru EZ30 PHZ engines and is a single stopper-style guide with a 1.75 in length and 0.34 in protrusion. Supplied as an individual replacement piece, it’s intended to restore or maintain proper valve guidance for compatible EZ30 cylinder heads—use the exact part dimensions and style to confirm match with the engine being serviced.
GSC P-D Subaru EZ30 PHZ 2 1.75in Length .34in Protrusion Exhaust Valve Guide Stopper Style - Single