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as well as Holley EFI and Terminator X Fuel Injectors!
New -19% Holley EFI MPFI Intake Manifold - Small Block Chevy

When it comes to selecting an MPFI intake manifold for the small block Chevrolet engine, we love everything about this Holley EFI manifold. First and foremost, this intake manifold is designed from the drawing board as a multi-point fuel injection EFI manifold. It's not just some warmed-over carburetor manifold design with fuel injector bosses added. The injector placement doesn't just spray fuel into the manifold. It angles the injectors toward the intake valves so they are actually spraying into the combustion chamber while the valves are open. The fuel injector ports are cut into the intake so that the fuel merges with the airflow, better maintaining atomization.

While carburetor intake manifolds only use a single-plane design on applications where low-RPM performance can be compromised, no such compromise is required on EFI single-plane manifold. Since the fuel is sprayed into the intake under pressure, rather than being drawn into the intake by vacuum, no performance is compromised using a single-plane manifold in an EFI application. The result is amazingly strong, flat performance across the 2500-7500 RPM range.

The 4150 flange means that this intake manifold can be used with a broad range of MPFI throttle bodies, offering the best combination of selection, performance, and price. Beyond this, the low profile allows this to fit under most hoods and Holley even put two different locations for the distributor lock-down tab. See the attribute information below for detailed specification on application, front and back rise heights, and more.

Not Sure? Review this product documentation before you buy!

 
Installation Instructions
Holley EFI MPFI Intake Manifold 300-260

Intake Manifolds
Manifold TypeMulti-Point Fuel Injection
Throttle Body FlangeDesigned for 4150-style carburetor or EFI throttle bodies.
Plane or Runner ConfigurationSingle Plane
RPM Range2500-7500 RPM
Fuel Rail IncludedYes
Front Height4.18 Inches
Rear Height5.28 Inches
General
Application1957-86 262-400cid Small Block Chevrolet engines and SBC engines equipped with 1987-91 L98 aluminum Corvette cylinder heads (non-EGR applications). Also, these manifolds will work with any SBC engine equipped with aftermarket cylinder heads, as long as they have a standard port flange opening and bolt hole locations.
ColorSatin Aluminum
Emission Code3 - This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.
MaterialCast Aluminum
OEM ReplacementNo
Unit of SaleEach

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Holley EFI MPFI Intake Manifold - Small Block Chevy

  • Views: 426
  • Brand: Weiand
  • Product Code: 300-260
  • Availability: In Stock
  • $587.00
  • $475.16
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