APPLICATIONS: 1997-2005 Grand Prix with 3800 Series II or Series III engine 2000-2005 Impala with 3800 Series II engine 2000-2005 Monte Carlo with 3800 Series II engine 1997-2004 Regal with 3800 Series II engine 1995-2005 other applications with 3800 Series II or Series III engine* SIK-071 - SLP™ Header Installation Kit - Comes complete with all of the required gaskets, clamps (two 3.00" and two 2.25"), hardware and detailed installation instructions. Highly Recommended! Click HERE for full-size pictures of the SLP™ Ceramic Coated Headers and accessories! NOTES: - The SLP™ Header Installation Kit is intended for use with the SLP™ Ceramic Coated Headers * These headers will fit other applications with minor modifications. Other applications that are known to fit are: 2000-2003 Bonneville with 3800 Series II engine, 1998-1999 Intrigue with 3800 Series II engine, 1996-2003 LeSabre with 3800 Series II engine, 1998-2000 Lumina with 3800 Series II engine, 1995-1999 Oldsmobile 88 with 3800 Series II engine, 1996-1996 Oldsmobile 98 with 3800 Series II engine, and 1995-2003 Park Avenue with 3800 Series II engine.