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Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
This device will work with several different tuning software interfaces such as Neptune
no external controller needed)
This unit has excellent top end power while retaining throttle response/drivability down low
No lingering odor
Holley Adjustable Billet By-Pass Regulator 4-65 PSI - 3/8" NPT TT This device will work withHolley 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