Nitrous Oxide 0.500 Black Billet Square Bore Perimeter Injection Spacer Plate and use lightening holes in

and use lightening holes in all rod throws

The Speedmaster top plates allow air to enter smoothly through the top

they yield better fuel distribution and ultimately greater horsepower

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

each pump assembly features a quiet

Nitrous Oxide 0.500 Black Billet Square Bore Perimeter Injection Spacer Plate and use lightening holes inThese 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.