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Flow‑MaX fuel pump pressure spring (18 psi) by BD Diesel, a direct drop‑in pressure regulation spring for Flow‑MaX pump setups. Specified at 18 psi, it helps maintain the pump’s pressure curve and is covered by a 12‑month/12,000‑mile workmanship warranty. Use in Flow‑MaX assemblies to achieve consistent fuel delivery for modified diesel engines that need controlled pump pressure.
BD Diesel Flow-MaX Pump Pressure Spring - 18psi
