Nitrous Oxide 0.500 Yellow Billet Square Bore Perimeter Injection Spacer Plate The needle and seat assemblies

The needle and seat assemblies that are installed in Speedmaster carburetors can sufficiently control fuel pressure up to about 8 psi

Ideal for street rods and race cars that do not require all the additional wires and accessories in stock applications

These Speedmaster flexplate dust covers have brilliant triple-chrome plating and are made from heavy-gauge steel

Speedmaster conversion steel bell housing couples the Nissan RB25/ RB30 engine to your Turbo 400 Reid automatic transmission

The OEM replacements get harder to find as time goes on

Nitrous Oxide 0.500 Yellow Billet Square Bore Perimeter Injection Spacer Plate The needle and seat assembliesThese 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.