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Budget-friendly Holley Hi-ram Intake Plenum Top, 105mm Ls - Big Block Chevy / Small Block Chevy 300-946 Enjoy 50% Off [1PpQFWB5]

$40.99 $131.99 -69%

Holley Hi-Ram Intake Plenum Top Introducing the Holley Hi-Ram Intake Plenum Top, designed to enhance the performance of your Small Block Chevy and Big Block Chevy engines. This high-quality intake manifold top is crafted to fit Holley Hi-Ram manifold

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Budget-friendly Holley Hi-ram Intake Plenum Top, 105mm Ls - Big Block Chevy / Small Block Chevy 300-946 Enjoy 50% Off [1PpQFWB5]

Holley Hi-Ram Intake Plenum Top

Introducing the Holley Hi-Ram Intake Plenum Top, designed to enhance the performance of your Small Block Chevy and Big Block Chevy engines. This high-quality intake manifold top is crafted to fit Holley Hi-Ram manifolds, offering a seamless integration for optimal engine performance. With its durable cast 356-T6 Aluminum construction and natural, satin as-cast aluminum finish, this manifold top stands out for its exceptional build quality and sleek design.

Product Specifications

The Holley Hi-Ram Intake Plenum Top is engineered to fit 1965 and later 396-502+ MKIV-MKVI Big Block Chevy engines with standard intake flange rectangle-port cylinder heads. This intake manifold top features two options: the traditional Hi-Ram 105mm plenum top or a 2 x 4150 4-barrel throttle body plenum top. It is designed to be a cost-effective alternative to fabricated sheet-metal or billet manifolds, making it an ideal choice for high-performance applications. The manifold top utilizes drive by wire or cable actuated GM Gen IV LS 4-bolt throttle bodies, ensuring compatibility and efficiency. Additionally, the kit includes a throttle cable bracket for added convenience.

Benefits and Applications

The Holley Hi-Ram Intake Plenum Top is perfect for enthusiasts and professionals looking to upgrade their Big Block Chevy engines. This intake manifold top not only enhances the induction system but also allows for easy installation and compatibility with a variety of engine platforms. Whether you're aiming for better fuel efficiency or increased power output, this manifold top is a versatile solution for your engine's needs. Its single-plane design and removable top lid make it an ideal choice for both street and track applications. With a limited 90-day warranty, you can trust in the quality and reliability of this Holley product.

What Our Customers Say

January 27, 2026

Absolutely no complaints!

This is a very smart product.

- Marjorie Z..

January 27, 2026

Absolutely no complaints!

A wonderful product, works wonders.

- Madelyn Y..

January 27, 2026

Absolutely no complaints!

I am so happy with this.

- Zion S..

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