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- Street Carbureted Applications
Calibrated 2% leaner than #1405
1977-1979 Ford F-150
We've seen increases of up to 13 horsepower
so you can use your carburetor of choice
Holley EFI Filter Regulator 3/8" NPT - Black HASZ20CLDIRT - Street Carbureted ApplicationsWhen converting your fuel system to a return style EFI setup, the biggest challenge can be plumbing the fuel lines. Holley continues to be the leader in fuel system development to make your life easier! The new Holley EFI Filter Regulator assembly simplifies your installation by combining the fuel filter and regulator in one assembly that can be mounted in the rear of the vehicle. Thus making your return line much shorter. The aluminum assembly
