Holley Carb/EFI Adjustable Billet By-Pass Regulator 4-65 PSI - 6AN K24 Designed to be a direct

Designed to be a direct replacement for your factory radiator

Adjustable from 15-90 psi for precise fuel pressure adjustments

resulting in reduced shift effort for smooth

or E5 ECU configuration to J4/J5 ECU configuration

Holley Carb/EFI Adjustable Billet By-Pass Regulator 4-65 PSI - 6AN K24 Designed to be a directHolley Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley. They are precision machined from 6061 T6 billet aluminum for strength and durability. These regulators are adjustable from 4 65 psi and will handle both carbureted and EFI applications. A second pressure spring is included allowing you to increase the fuel pressure range up to 65 psi for EFI systems. They are offered with two port sizes, 3 8" NPT or