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We made our own upgraded versions
Speedmaster aluminum LS valve covers will give your LS series engines a totally new look
They feature greater strength and durability
The Speedmaster universal 21 circuit harness can be used in any vehicle application
Nitrous Oxide 0.500 Polished Billet Square Bore Perimeter Injection Spacer Plate We made our own upgradedThese 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.
