Holley Carb/EFI Adjustable Billet By-Pass Regulator 4-65 PSI - 6AN D16Z AEM does not condone or

AEM does not condone or approve of the modification of a tank to accommodate a High Flow Fuel Pump and cannot guarantee the pump’s performance or operation if any modifications are made

and single cone 5th and 6th synchro design

Stock frame Evo-8/9 compressor cover

improving toe curve on lowered cars

Holley Carb/EFI Adjustable Billet By-Pass Regulator 4-65 PSI - 6AN D16Z AEM does not condone orHolley 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