Pro Series Adjustable Fuel Pressure Regulator 10AN Inlets/10AN Return Assembly

10AN Inlets / -10AN Return / XL Seat for high-flow fuel systems

Engineered for serious performance applications, this adjustable fuel pressure regulator delivers stable, repeatable control for everything from low-pressure carbureted setups to high-pressure electronic fuel injection systems. Designed around large -10AN ports and an XL seat, it supports high horsepower builds, endurance and competition vehicles, and demanding street performance combinations.

Regulator Features

• Two -10AN inlet ports and one -10AN return port for high-flow, return-style fuel systems
• 1.75" sized diaphragm with 1/2" return orifice for precise fuel pressure control under load
• Compatible with gasoline, diesel, methanol, and ethanol fuels for maximum tuning flexibility
• Billet aluminum construction with anodize per military MIL-A-8625, Type II for durability and corrosion resistance
• Fine thread pitch for precise, repeatable pressure adjustment across a wide range of settings
• Versatile mounting bracket and stainless steel hardware for secure, clean installation
• 1/8" NPT gauge port with plug for easy connection of an external fuel pressure gauge
• 1/8" NPT pressure reference port with barbed fitting for vacuum/boost-referenced operation
• Available in multiple pressure ranges to support CARB, TBI, and EFI fuel systems from low to high PSI
• Backed by a limited lifetime warranty

This high-performance fuel pressure regulator is ideal for custom builds, turbocharged and supercharged engines, and any application where consistent fuel delivery and accurate pressure control are critical. Its robust design, broad fuel compatibility, and race-proven construction make it a reliable choice for both street and track use.