This is a used GMC supercharger for.....

Buick Regal and Pontiac Grand Prix

With  3.8L engines. The supercharger is a direct replacement 

  It can fit Bonneville, Grand Prix, Impala, Monte Carlo, Buick 3,

Please keep in mind that used items may show some wear and tear from usage...

Thank you for your understanding

If have questions please let me know