Nitrous Oxide 0.500 Black Billet Square Bore Perimeter Injection Spacer Plate The copper gaskets help even

The copper gaskets help even out the flow between the head and header flange to minimize warping

and sludge

Get maximum air with no air horn choke tower

Size Notes: Flange to Inside - 14 1/2" Flange to Outside - 20" Flange to End of Pipe - 38"

Nitrous Oxide 0.500 Black Billet Square Bore Perimeter Injection Spacer Plate The copper gaskets help evenThese Speedmaster perimeter plates employ multiple injection points to ensure that a perfectly atomized, cylinder to cylinder balanced blend of fuel and nitrous reaches your engine. The technology eliminates nitrous delivery imbalance, the major drawback with spray bar type nitrous systems. The plates are manufactured from aluminum and are anodized for protection.