Nitrous Oxide 0.500 Blue Billet Square Bore Perimeter Injection Spacer Plate they also provide your engine

they also provide your engine with cleaner air for better performance

this premium-grade aluminum snout ensures seamless compatibility with various roots style supercharger systems

The adaptors are available in different widths and register bore hole sizes to match your specific engine application and supercharger model

this turnkey engine delivers modern usability with vintage legend

Nitrous Oxide 0.500 Blue Billet Square Bore Perimeter Injection Spacer Plate they also provide your engineThese 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.