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Manley Extreme Duty exhaust valves for the Nissan GT‑R VR38DETT deliver material and construction geared toward the most demanding applications. Built from XH‑432 XtremeAlloy with chrome stems and hard tips, the valves feature swirl‑polished underhead areas and fully machined combustion faces for improved flow and combustion efficiency in extreme‑force and high‑heat environments.
Manley Nissan GTR VR38DETT Extreme Duty Exhaust Valves
