Fits all GM Series II & III supercharged vehicle applications GM 3.8L V6 Supercharged Vehicle:

• Buick Century 1997-2002
• Buick LeSabre 1996-1999
• Buick Park Avenue 1996-2004
• Buick Regal 1996-2004
• Buick Riviera 1996-1999
• Chevy Impala SS 2004
• Chevy Monte Carlo SS 2004
• Oldsmobile Eighty-Eight 1996-1999
• Oldsmobile LSS 1996-1999
• Oldsmobile Regency 1996-1999
• Pontiac Bonneville 1996-2003
• Pontiac Grand Prix 1997-2006

Note: Pulley sizes 2.7" and smaller require clearance machining of the supercharger casting for fitment.