Holley | Adjustable Billet By-Pass Fuel Regulator

Holley – Adjustable Billet By-Pass Fuel Pressure Regulator

Description

The Holley Billet By-Pass Fuel Pressure Regulator 12-879 is precision machined from 6061-T6 billet aluminum for maximum strength and durability. Adjustable from 4 to 65 PSI using two included pressure springs, it handles both carbureted and EFI applications. Inlet, outlet, and return ports are 3/8 in. NPT. It includes a fitting for manifold vacuum reference, a 1/8 NPT gauge port, and a 1:1 boost reference. Compatible with gasoline, diesel, and E85. The body features a black anodized base and clear anodized top for a clean appearance.

Specifications

• Brand: Holley
• Part Number: 12-879
• Type: EFI/Carb Billet Bypass Regulator
• Pressure Range: 4–65 PSI (adjustable)
• Material: 6061-T6 Billet Aluminum
• Inlet / Outlet / Return: 3/8 in. NPT
• Compatible Fuels: Gasoline, diesel, E85
• Boost Reference: 1:1
• Gauge Port: 1/8 NPT included
• Manifold Reference Fitting: Included
• Finish: Black anodized base / clear anodized top
• Condition: New
• Sold and shipped by GBP Performance

Note:

• Livraison GRATUITE / FREE Delivery