Adjustable Billet By-Pass Regulator 3/8 NPT Kit - Holley - 12-879KIT

Holley 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 have 3/8 NPT port sizes to adapt to your new or existing fuel lines. So, if you are currently running a carbureted system but plan to upgrade to EFI in the future, these regulators will have you covered either way. - These kits include a fuel pressure gauge and adapter fittings to get you started on your installation.
Adjustable from 4-65 psi for precise fuel pressure adjustments - Constructed of billet aluminum with a black anodized base and a clear anodized top for good looks - Used in systems with a return line back to the tank - 3/8” NPT Inlet/Outlet Ports - 3/8" NPT return - 1/8" NPT gauge port - Includes fitting for manifold reference - Earl's Fuel Pressure Gauge (100187ERL) - Earl's 3/8” NPT to -6 AN fittings (AT981666ERL x3) - Boost Reference - 1:1 - Mounting Bracket Included - The 4-15 psi carbureted spring comes installed in the regulator
part type: Fuel Pressure Regulator | Brand: Holley | Material: Aluminum

Detailed Fitment Results