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This BD Diesel valve spring kit (#60) supplies six durable springs for 12‑valve 5.9L Cummins engines and is intended to support exhaust brake installations. The steel springs can be used on intake or exhaust valves and are specified to allow roughly 60 psi of back pressure with an exhaust brake. The set helps retain valve control when adding retarding systems to 12‑valve Cummins engines.
BD Diesel Valve Spring Kit 60lb Cummins 5.9 12-valve
