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The Supertech manganese bronze exhaust valve guide for Nissan SR20DET is made to suit that turbocharged engine and fits a 6mm valve stem. Manganese bronze provides a durable bearing surface to stabilize valve motion in overhauled heads. Confirm the exact SR20DET configuration and stem measurements before installation to ensure correct fitment and clearance.
Supertech Nissan SR20DET Manganese Bronze Exhaust Valve Guide 6mm Stem
