VMP 63MM 8-Rib Pulley for VMP 2.3L TVS Blower Kit 63-8-B

63MM pulley for VMP 2.3L TVS Supercharger kit on 2011+ 5.0L Mustang.

• Requires a VMP blower or machining-down of your Roush nose drive to VMP specs.
• The ""Snout"" of the Roush supercharger must be machined down to 2.120""-2.130"", the snout is the bare aluminum portion underneath the ribbed part of the pulley.
• You must also use a silver SS VMP 6-bolt hub or turn your black Roush hub down to a smaller diameter.
• Produces 17-18psi.
• 8-rib conversion kit required to prevent belt slip

It is recommended to use race fuel with this pulley, injector and fuel pump upgrades are required.

Steel painted black.

*Ti-VCT settings will change boost, quoted boost numbers based on VMP Tune.