Vehicle Fitment-1: Spark Plugs and Wires Set Compatible with Chevy Impala 2000 2001 2002 2003 2004 2005 V6 3.8L, Monte Carlo 2000 2001 2002 2003 2004 2005 V6 3.8L Vehicle Fitment-2: Spark Plugs and Wires Compatible with Pontiac Grand Prix 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 V6 3.8L. Juego de Bujías y Cables Compatible with Pontiac Buick Allure 2005 2006 2007 2008 2009 V6 3.8L, LaCrosse 2005 2006 2007 2008 2009 V6 3.8L, Regal 2000 2001 2002 2003 2004 V6 3.8L, Lucerne 2007 2008 V6 3.8L Reference Number: Spark Plugs Replacement for 3951 3144 TR55. Spark Plug Wires Replacement for 35-6325 1AMSW00018 6716049 6716063 746BB. ENA Sparkplugs and Wire Sets feature durable materials and a plug-and-play design for easy installation with multi-vehicle compatibility for 2000 2005 2007 2008 2009 Impala Monte Carlo Grand Prix Allure LaCrosse Lucerne Regal V6 3.8L Specifications: Sparkplugs: 1. Gap Size (IN): 0.059; 2. Hex Size (IN): 5/8; 3. Thread Diameter (MM): 14. Spark Plug Wire: 1. Core Material: Wire Wound Core; 2. Insulation Material: Silicone; 3. Wire Diameter (MM): 7 mm; 4. Insulation Color: Black. The ENA Spark Plug Wires utilize highly conductive materials to ensure stable current conduction, enhancing engine ignition efficiency Package Content: Set of 6 Sparks Plugs and 6 Wires Set; 12-Month Warranty. Please use the Amazon Confirmed Fit function and enter your vehicle information for a correct compatibility Spark Plug and Wire Set Compatible with Chevrolet 2000 Impala 3.8L V6, 2001 Impala 3.8L V6, 2002 Impala 3.8L V6, 2003 Impala 3.8L V6, 2004 Impala 3.8L V6, 2005 Impala 3.8L V6, 2000 Monte Carlo 3.8L V6, 2001 Monte Carlo 3.8L V6, 2002 Monte Carlo 3.8L V6, 2003 Monte Carlo 3.8L V6, 2004 Monte Carlo 3.8L V6, 2005 Monte Carlo 3.8L V6. Spark Plugs and Wires Compatible with Pontiac 1999 Grand Prix 3.8L V6, 2000 Grand Prix 3.8L V6, 2001 Grand Prix 3.8L V6, 2002 Grand Prix 3.8L V6, 2003 Grand Prix 3.8L V6, 2004 Grand Prix 3.8L V6, 2005 Grand Prix 3.8L V6, 2006 Grand Prix 3.8L V6, 2007 Grand Prix 3.8L V6, 2008 Grand Prix 3.8L V6. Automotive Replacement Spark Plugs and Wires Compatible with Buick 2005 Allure 3.8L V6, 2006 Allure 3.8L V6, 2007 Allure 3.8L V6, 2008 Allure 3.8L V6, 2009 Allure 3.8L V6, 2005 LaCrosse 3.8L V6, 2006 LaCrosse 3.8L V6, 2007 LaCrosse 3.8L V6, 2008 LaCrosse 3.8L V6, 2009 LaCrosse 3.8L V6, 2000 Regal 3.8L V6, 2001 Regal 3.8L V6, 2002 Regal 3.8L V6, 2003 Regal 3.8L V6, 2004 Regal 3.8L V6, 2007 Lucerne 3.8L V6, 2008 Lucerne 3.8L V6