Description
69MM “”set on kill”” pulley for Roush 2.3L TVS Supercharger kit on 2011+ 5.0L Mustang.
Increases boost to 12psi when stock enclosed airbox is used, +4.5psi over stock.
This pulley has put several cars into the 9s with the stock engine and a single power adder (no nitrous).
Supercharger kit comes from Roush with a 90MM pulley that makes 7-8psi.
It is recommended to use race fuel with this pulley, injector and fuel pump upgrades are required.
Steel powdercoated black.
*Ti-VCT settings will change boost, quoted boost numbers based on VMP Tune.
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