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Holley 300-207 - Holley Hi-Ram Intake Plenum Top Only. 2 x 4150

Fits Holley Hi-Ram Manifolds.They are available in the dual 4150 throttle body pattern or in a full blank top so that you can design your our system. The plenum tops are constructed of cast aluminum.

Bolts thread into lid downwards through the intake base.

There is no documentation for this product.

No video avaliable.

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There are no installation notes for this product.

Holley 300-207 - Holley Hi-Ram Intake Plenum Top Only. 2 x 4150

Fits Holley Hi-Ram Manifolds.They are available in the dual 4150 throttle body pattern or in a full blank top so that you can design your our system. The plenum tops are constructed of cast aluminum.

Bolts thread into lid downwards through the intake base.

There is no documentation for this product.

No video avaliable.

0 of 0 reviews

Average rating of 0 out of 5 stars

Leave a review!

Share your experiences with other customers.


There are no installation notes for this product.

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Holley® has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies we can give you the edge you need over the competition!