FUELAB 565 Series High-Flow TBI Fuel Pressure Regulator 10-25 PSI -10AN - 56503-1

The FUELAB 565 Series High-Flow TBI Fuel Pressure Regulator is designed to regulate fuel pressure in TBI systems using the exact pressure range and port configuration listed for this part. Part 56503-1 uses a 10-25 PSI -10AN configuration. Gasoline, E85 & methanol compatible.

Key Specifications

• Brand: FUELAB
• Series: 565 Series
• Part Number: 56503-1
• GTIN/UPC: 00845096001926
• Pressure Range: 10-25 PSI
• Connections: (2) -10AN Inlets; (1) -10AN Return
• Regulator Style: Return-style bypass
• Body Material: Billet aluminum
• Fuel Compatibility: Gasoline, E85, methanol

Usage & Application Guide

• Use in TBI fuel systems that match the listed pressure range and port sizes.
• Install in a return-style system with the return line sized for stable pressure control.
• Verify pump flow, base-pressure requirements, boost/vacuum reference needs, and fitting sizes before ordering.