Universal 6-71 8-71 10-71 Supercharger Blower Restraint Drum weights 55% less than

Drum weights 55% less than the OEM drum

If your standard Bowtie block could handle 1500+ HP it would be Speedmaster's H1 engine block

The gears are precision-machined from the highest quality aluminum silicon bronze alloy for maximum durability

The next level of performance are these cast-iron Chevy LS blocks

Dress up your engine with these chrome-plated kits which feature stock

Universal 6-71 8-71 10-71 Supercharger Blower Restraint Drum weights 55% less thanSupercharger restraints are designed to keep supercharger parts intact incase of an explosion. Comes with header mounts and adjustable straps to fit most applications.