Intake Manifold Plenum

The Spectre air intake plenum is designed to fit Holley Dominator carburetors with a 7-1/4 inch neck. This plenum is fabricated from high quality cast aluminum to withstand the pressures of boosted applications and has a polished finish for a show car...

Spectre's low profile, dual inlet plenum is designed to provide an option that allows you to run two air intake tubes. By running two tubes instead of one, you can increase your air flow even more over a single air intake tube setup. In addition, by...

Spectre's polished cast aluminum dual plenum air intake has 4 inch inlets. It is 3.5 inches tall and it measures 8 inches from the air cleaner stud to each inlet. It fits carburetors and TBI throttle bodies with a 5-1/8 inlet. The 4 inch dual inlets are...

Spectre's polished cast aluminum low profile plenum has a 4 inch inlet. It is 2.4 inches tall between the carburetor and the bottom of the hood which makes it great for low clearance applications. It measures 9.25 inches from the air cleaner stud to the...

This Spectre Air Intake Plenum has a single inlet with a 4 inch outside diameter. Manufactured from polished cast aluminum, this plenum is designed to be compatible with Spectre 4 inch tubing, filters, and accessories. 3-1/2 inches tall and measuring 9...

The Spectre Polished Aluminum 4 Inch Dual Plenum gives you the ability to design your own custom cold air intake system. With an ultra-low profile design, the dual plenum can fit under many flat hoods and provide a show car look and feel. Engineered for...

The Spectre Polished Aluminum 4 Inch Dual Plenum gives you the ability to design your own custom cold air intake system. With an ultra-low profile design, the dual plenum can fit under many flat hoods and provide a show car look and feel. Engineered for...

Spectre's Air Intake Kits are available for a number of applications and are designed to fit your classic muscle car. Manufactured from high quality polished aluminum, the cast aluminum plenum fits carburetors and TBI throttle bodies with a 5-1/8 inch...

Spectre's Air Intake Kits are available for a number of applications and are designed to fit your classic muscle car. Manufactured from high quality polished aluminum, the cast aluminum plenum fits carburetors and TBI throttle bodies with a 5-1/8 inch...

Spectre's Air Intake Kits are available for a number of applications and are designed to fit your classic muscle car. Manufactured from high quality polished aluminum, the aluminum plenum fits carburetors and TBI throttle bodies with a 5-1/8 inch inlet...

Spectre Air Intake Kits are available for a number of applications and are designed to fit your classic muscle car. Manufactured from high quality polished aluminum, the plenum fits carburetors and TBI throttle bodies with a 5-1/8 inch inlet offering a...

Spectre Air Intake Kits are available for a number of applications and are designed to fit your classic muscle car. Manufactured from high quality polished aluminum, the plenum fits carburetors and TBI throttle bodies with a 5-1/8 inch inlet offering a...

Spectre Air Intake Kits are available for a number of applications and are designed to fit your classic muscle car. Manufactured from high quality polished aluminum, the plenum fits carburetors and TBI throttle bodies with a 5-1/8 inch inlet offering a...

Spectre Air Intake Kits are available for a number of applications and are designed to fit your classic muscle car. Manufactured from high quality polished aluminum, the plenum fits carburetors and TBI throttle bodies with a 5-1/8 inch inlet. The plenum...

Spectre Air Intake Kits are available for a number of applications and are designed to fit your classic muscle car. The cast aluminum plenum fits carburetors and TBI throttle bodies with a 5-1/8 inch inlet. The plenum attaches to 4 inch outside diameter...