6-71 to 14-71 12Pt 2.75" Aluminum Blower Supercharger Break Away Stud Kit Speedmaster Conversion carrier bearing

Speedmaster Conversion carrier bearing

Design from the ground up based upon your favourite bowtie block with the ability to handle naturally aspirated

All the necessary parts are included to make for a fast

They're 40 percent lighter

The Speedmaster blocks are cast from high-density iron with extra-thick cylinder walls and decks

6-71 to 14-71 12Pt 2.75" Aluminum Blower Supercharger Break Away Stud Kit Speedmaster Conversion carrier bearingSpeedmaster 7 16" red anodized aluminum studs allow your blower and manifold to separate during a blower explosion to minimize engine damage. These kits also include 12 point, aerospace quality 12pt nuts, ground hardened washers.