Nitrous Oxide 0.500 Polished Billet Square Bore Perimeter Injection Spacer Plate These Speedmaster vibration mounts are

These Speedmaster vibration mounts are designed to help protect your ignition box or ignition coil from extreme vibration and the damage associated with it

Replaces MSD 8910

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

improved throttle response and better fuel economy

They come in many sizes to meet just about all of your needs

Nitrous Oxide 0.500 Polished Billet Square Bore Perimeter Injection Spacer Plate These Speedmaster vibration mounts areThese 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.