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(888) 312-8812 Login SignupThe DNJ Engine Component Valve Guide offers essential support for proper valve alignment and motion. It helps reduce friction between the valve stem and cylinder head, promoting balanced performance in both gasoline and diesel applications. No matter if you’re replacing worn guides during a rebuild or upgrading a high-mileage engine, the DNJ Engine Component VG3139 contributes to smoother combustion and improved sealing integrity.
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