Nitrous Oxide 0.500 Polished Billet Square Bore Perimeter Injection Spacer Plate open spring pressure - Internal

open spring pressure - Internal oiling system for long-lasting performance - SAE 42100 full complement precision needle and cage roller bearings

Speedmaster hub and piston kits are engineered for enhanced Powerglide performance

Mounting hardware is included

you can get 25 to 50 HP from these Proform main bodies

draw only 2 amps

Nitrous Oxide 0.500 Polished Billet Square Bore Perimeter Injection Spacer Plate open spring pressure - InternalThese 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.