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Holley Intake Manifold Adapter Plates

Adapter Plates for 2003-2008 Gen III Hemi 5.7L Engines - Allow Usage of Gen III Hemi Hi-Ram on these Early Small Intake Port Engines.

Part # 300-652

Holley Intake Manifold Adapter Plates

Estimated Ship Date: 05/01/2024
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3

Emissions

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

See Emissions Details
Early 2003-2008 5.7L Gen III Hemi engines had smaller intake ports & these adapters allow the installation of Intake manifolds w/ the larger ports to fit on these Early engines.

About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!

Brand Holley EFI
ColorNatural
ConstructionBillet
Emission Code3
EngineGEN 3 HEMI
FinishNatural
Manifold TypeHi-Ram
MaterialBillet Aluminum
Product TypeIntake Component
Thickness.945"
Type of ComponentAdapter Plate
WarrantyLimited 90 Day
UPC090127101582
Part Number300-652
3

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) 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


WARNING: It is against the law to install this part on an Emissions Controlled Vehicle


The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
Limited 90 Day: See Details

*Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

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