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$399.00

2005-09 Mustang GT/Roush 8 PSI Crank Pulley - Part # GRC8R

<b>2005-09 Mustang GT/Roush 8 PSI Crank Pulley - Part # GRC8R


The GRC crank pulley is a direct replacement unit that will increase the boost level of the Roush supercharger kit to 8 psi without the belt slip problems of a smaller supercharger pulley. Manufactured to factory tolerances to ensure durability and long life. The original belt is reused. A custom tune is recommended and available through GRC Performance.

GRC crank pulley Advantages:

  • Produces 8 psi

  • Retains original belt

  • No belt slip

  • Factory appearance

  • Manufactured to factory specs for durability and long life

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