Nitrous Oxide 0.500 Blue Billet Square Bore Perimeter Injection Spacer Plate This particular unit retains a

This particular unit retains a stock-style pulley to allow this unit to be used in stock applications

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

These Speedmaster main bearings are just what you need to freshen up your engine

from mild to wild

They're made from quality materials

Nitrous Oxide 0.500 Blue Billet Square Bore Perimeter Injection Spacer Plate This particular unit retains aThese 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.