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...

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...

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...

This seal kit for LSXR and LSXRT manifolds includes 8 intake runner to cylinder head seals as well as new injector o-rings, lower shell rubber bumpers and vacuum port plugs.CatalogUser...

Banks High-Flow Billet Intake Plate for race applications. Adds another half pound of boost. Banks High-Flow Billet Intake Plate. If you want another half pound of boost, our Banks High-Flow...