Ultralight 8AN Inlet Fuel Pressure Regulator

8AN Inlets / Standard Seat / EFI (Wide 4-90 PSID Range)

Designed for high-performance EFI applications, this ultralight bypass fuel pressure regulator delivers precise and reliable control across a wide pressure range. Engineered to support everything from low-pressure to high-pressure EFI setups, it offers exceptional consistency, quick response, and easy adjustment for street, strip, track, and drift builds.

Regulator Features

• Ultralight construction, weighing 30% less than traditional 515/525 Series regulators
• Modern, compact design with enhanced functionality and visual appeal
• Two -8AN inlet ports and one -6AN return port for flexible plumbing options
• Compatible with gasoline, diesel, methanol, and ethanol fuels
• Precision-machined billet aluminum body with anodize per military MIL-A-8625, Type II for durability and corrosion resistance
• Fine thread pitch for precise fuel pressure adjustment and easy tuning
• Versatile mounting bracket with stainless steel hardware for secure, clean installation
• 1/8” NPT gauge port with plug to accommodate an external pressure gauge
• 1/16” NPT pressure reference port with barbed fitting for vacuum/boost reference in EFI systems
• Backed by a limited lifetime warranty for long-term confidence

This EFI bypass regulator is ideal for builders and tuners who demand accurate fuel pressure control, lightweight components, and broad fuel compatibility. Its robust construction and thoughtful design make it a dependable choice for performance engines requiring stable fuel delivery under demanding conditions.