Fuel pressure regulators play a vital role in maintaining your vehicle's optimal PSI, ensuring smooth and efficient engine performance. A failed or underperforming fuel pressure regulator can mimic the symptoms of a faulty fuel pump, making it essential to pressure test before and after the regulator to pinpoint the issue. Our Quantum fuel pressure regulators, including adjustable and inline options, are direct drop-in replacements that meet or exceed OEM specifications. Whether you're looking for a fuel regulator, fuel pump regulator, or a Corvette fuel filter regulator, our products offer reliable performance and durability. Keep your vehicle running at its best—shop our selection of high-quality fuel pressure regulators today.