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Holley EFI Ford 351W Hi-Ram ManifoldYouTube Button

Holley 351W Ford Hi-Ram Carbureted Manifold Base

Ford 351W (9.5" Deck) Ford Hi-Ram Intake Manifold Base

PART# 300-243

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*** The front and rear height measurements listed in the Specs section are referencing the overall height with the top plate installed. Please see the diagrams in the product images for other dimensions.

Overview

The Hi-Ram manifold line has a new addition for the 351W Ford application. The runner length and tapered cross section design will perform well for a wide range of engine combinations. The engineering team also redesigned the water crossover passage to allow room for distributor phasing. Aggressive, bold, race–bred styling will make bad intentions clear for drag race, muscle car, marine, off–road, sandrails, pulling trucks, track, street–rod applications and more! Manifold is designed for a 9.5" deck height. Manifold width is 11.32". • Runner length and the tapered cross–section designed to perform well for a wide range of engine configurations • Cast aluminum construction.

Features:

  • Plenum Top Gasket Type – 3/32” Round O-ring Cord
  • Manifold is designed for a 9.5" deck height.
  • Requires the Use of Holley EFI Dual Sync Distributor - 565-111

Specs

BrandHolley
ConstructionCast
Emission Code3
EngineFord 351W
FinishSatin
Fuel System TypeCarburetor
Manifold TypeHi-Ram
Port Size2.00" x 1.190"
Product TypeManifold
RPM Power Band1500-7000
Part Number300-243

Emissions

This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.

Tech Resources

*** The front and rear height measurements listed in the Specs section are referencing the overall height with the top plate installed. Please see the diagrams in the product images for other dimensions.
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        *Free Shipping & Handling only offered to the contiguous US on orders over $100.

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