7.4L, 2wd. Without hi-output. Buick, chevrolet, olds. 8 cylinder, gas. 4.3L, 6 cylinder. 5.0L. 5.7L. Secures transmission Absorbs drivetrain vibrations, helping create a comfortable ride Designed to function with surrounding components This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors.