Universal 6-71 8-71 10-71 Supercharger Blower Restraint They distribute the ever-increasing valve

They distribute the ever-increasing valve spring loads over the retainer better than typical 7 degree locks by reducing the chance of "pull-through" failure

Superior engineering

These Speedmaster expansion tanks are perfect for cars with low-mount radiators to provide a convenient filling location and to bleed off unwanted air

They include an alkyd distributor cap with brass terminal connections

Universal 6-71 8-71 10-71 Supercharger Blower Restraint They distribute the ever-increasing valveSupercharger restraints are designed to keep supercharger parts intact incase of an explosion. Comes with header mounts and adjustable straps to fit most applications.