Holley EFI

HI-RAM 105MM Plenum Top

Part # 300-246BK Be the first to write a review

Black Finish

Estimated Ship Date: 07/31/2026

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$499.95

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HI-RAM 105MM Plenum Top for EFI Hi-Ram Manifolds- Bolt down through design. Black finish.

Features:

105mm throttle body opening
Perfect for custom lower intake manifolds that support high flow
Top Only
Aluminum construction

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!

Basic Operating RPM Range	1500-7000 RPM
Brand	Holley EFI
Carburetor Flange	N/A
Carburetor Quantity	N/A
Carburetor Studs Included	N/A
Category	Engine
CNC Ported	No
Color	Black
Construction	Cast
Cylinder Head Port Shape	N/A
Deck Height	N/A
EGR Port	No
Emission Code	4
Engine	Universal
Flange Style	N/A
Fuel Injectors Included	No
Fuel Rail(s) Included	No
Fuel System Type	EFI
Gasket Or Seal Included	No
Grade Type	Performance
Inlet Size	105mm
Intake Port Gasket(s) Included	No
Material	Aluminum
	Cast Aluminum
Nitrous Bung(s) Included	No
Part Type	Engine Intake Manifold
Plenum Finish	Black
Product Type	Intake Manifold Top
Removable Runners	No
Removable Top/Lid	Yes
Single Or Dual Plane Type	Single Plane
Sub Category	Cylinder Block Components
Throttle Body Bore Diameter	105 MM
Throttle Body Gasket Included	No
Throttle Body Included	No
Type of Component	Manifold Top
Vacuum Ports	No
Warranty	Manufacturer's Limited 90 Day Warranty
UPC	090127044230
Part Number	300-246BK

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.

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

*** 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.

Manufacturer's Limited 90 Day Warranty: See Details

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*Free Shipping and 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.

HI-RAM 105MM Plenum Top

HI-RAM 105MM Plenum Top

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