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Holley EFI

Holley Die Cast EFI Bypass Fuel Pressure Regulator Kit

15-60 Psi - Fittings and Gauge Included

Part # 12-882KIT
Estimated shipping date: 10/29/2021
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Holley Die Cast EFI Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. The included 12-882 regulator features a die cast aluminum body and a chrome top for corrosion resistance and good looks. The regulator contains 3/8" NPT in/out ports, a 3/8" NPT return port, a 1/8" NPT gauge port, and a 1/8" NPT vacuum port for Boost Reference (1:1). In addition, 3 Mr. Gasket 3/8" NPT to -6 AN fittings, a barbed fitting for the vacuum port, a mounting bracket, and all necessary hardware are also included.


  • Die Cast Aluminum Construction
  • Adjustable from 15-60 psi for precise fuel pressure adjustments
  • Used in return style systems with a line back to the fuel tank
  • 3/8” NPT Inlet, Outlet, and Return Ports
  • 1/8” NPT Gauge Port and Earl's Fuel Pressure Gauge (100187ERL)
  • 1/8" NPT Boost Reference (1:1) and Barbed Fitting
  • Mr. Gasket 3/8” NPT to -6 AN fittings (481666-BL x3)
  • Mounting Bracket Included

About Holley EFI

Holley is the new standard in EFI! Whether you're engine swapping your classic car or need to manage 4000 horsepower in your twin-turbocharged drag radial race car, Holley EFI has the solutions you need to get your project up and running better than ever!

BrandHolley EFI
Emission Code5
Fuel SystemEFI
Fuel TypeGasoline
Inlet Size3/8 inch NPT
Outlet Size3/8 inch NPT
Pressure Range15-60 PSI
Product TypeFuel Pressure Regulator
Return Size3/8 inch NPT
WarrantyLimited 90 Day Warranty
Part Number12-882KIT

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Limited 90 Day Warranty: See Details

*Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

Some parts are not legal for use in California or other states with similar regulations.