Features: -Aluminum construction to ensure heat transfer efficiency -Louvered aluminum fins and tubes are bonded through a unique furnace-brazing process with premium quality aluminum for maximum heat dissipation -Each product is quality inspected and 100% tested -Lightweight Direct Bolt-On OEM Fitment or Replacement -Guaranteed Exact Fit for easy installation Compatibility: V6 3.4L 3.6L 3.8L PONTIAC GRAND PRIX 2005 2004 CHEVROLET MONTE CARLO 2005 2004 CHEVROLET IMPALA 2005 2004 BUICK LACROSSE 2005 BUICK ALLURE 2005 Specification: .