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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.
| Brand | Holley EFI | 
|---|---|
| Category | Intake Manifolds | 
| Color | Natural | 
| Construction | Billet | 
| Emission Code | 3 | 
| Engine | GEN 3 HEMI | 
| Finish | Natural | 
| Grade Type | Performance | 
| Manifold Type | Hi-Ram | 
| Material | Billet Aluminum | 
| Product Type | Intake Component | 
| Thickness | .945" | 
| Type of Component | Adapter Plate | 
| Warranty | Limited 90 Day | 
| UPC | 090127101582 | 
| Part Number | 300-652 | 
Emissions
 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
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