Application Compatible for Buick Rainier CXL Sport Utility 4-Door 4.2L 256 Cu. In. l 6 GAS DOHC Naturally Aspirated 2006-2007 compatible for Chevrolet Trailblazer A Sport Utility 4-Door 4.2L 256 Cu. In. l 6 GAS DOHC Naturally Aspirated 2006-2007 compatible for Chevrolet Trailblazer B Sport Utility 4-Door 4.2L 256 Cu. In. l 6 GAS DOHC Naturally Aspirated 2006-2007 compatible for Chevrolet Trailblazer Base Sport Utility 4-Door 4.2L 256 Cu. In. l 6 GAS DOHC Naturally Aspirated 2006-2008 compatible for Chevrolet Trailblazer LS Sport Utility 4-Door 4.2L 256 Cu. In. l 6 GAS DOHC Naturally Aspirated 2006-2007 compatible for Chevrolet Trailblazer LT Sport Utility 4-Door 4.2L 256 Cu. In. l 6 GAS DOHC Naturally Aspirated 2006-2009 compatible for Chevrolet Trailblazer compatible for EXT B Sport Utility 4-Door 4.2L 256 Cu. In. l 6 GAS DOHC Naturally Aspirated 2006 compatible for Chevrolet Trailblazer compatible for EXT LS Sport Utility 4-Door 4.2L 256 Cu. In. l 6 GAS DOHC Naturally Aspirated 2006 compatible for Ch...